China Xiamen Juguangli Import & Export Co., Ltd Company News

Do silicone parts have any requirements for raw materials? In modern industrial manufacturing, silicone parts are widely used in various fields due to their unique physical and chemical properties. However, the performance and quality of silicone parts largely depend on the selection of their raw materials. So, do silicone parts have any requirements for raw materials?   The primary requirement for raw materials in silicone parts is material purity. High purity silicone raw materials can ensure stable chemical properties of parts during the manufacturing process, reducing the impact of impurities on part performance. For example, in the medical field, silicone parts need to have high biocompatibility and chemical stability, which requires that the raw materials must not contain impurities that are harmful to the human body. Therefore, when selecting silicone raw materials, it is necessary to ensure that their purity meets relevant standards to meet the specific application requirements.   In addition to purity requirements, the hardness of silicone parts is also a key factor in the selection of raw materials. The hardness of silicone directly affects the support and flexibility of the parts. If the hardness is too high, the parts may be too rigid to adapt to complex shapes and stress changes; If the hardness is too low, the parts may be too soft and prone to deformation or damage. Therefore, when selecting silicone raw materials, it is necessary to choose silicone materials with appropriate hardness according to the specific purpose and working environment of the parts.   Temperature resistance is another important requirement of silicone parts for raw materials. Silicone parts need to maintain stable performance in different temperature environments, including resistance to brittleness at low temperatures and heat resistance at high temperatures. This requires raw materials to have excellent temperature resistance and be able to maintain stable chemical and physical properties under extreme temperature conditions. For example, in the automotive industry, silicone parts need to be able to withstand the high temperature environment inside the engine compartment, which requires raw materials to have excellent heat resistance.   Dimensional accuracy and shape integrity are also important requirements for silicone parts in terms of raw materials. Silicone parts usually need to be customized according to specific sizes and shapes, which requires raw materials to have high plasticity and processing performance. During the manufacturing process, raw materials need to undergo precise mold forming and processing to ensure the dimensional accuracy and shape integrity of the parts. If the plasticity and processing performance of raw materials are poor, it may lead to inaccurate dimensions or incomplete shapes of parts, thereby affecting their usability.   In addition, silicone parts also have certain requirements for the physical properties of raw materials. For example, elastic recovery ability and wear resistance are important properties that silicone parts need to possess during use. Silicone parts with strong elastic recovery ability can quickly recover to their original state after being subjected to external forces, maintaining stable shape and performance. Silicone parts with good wear resistance can reduce wear and damage during long-term use, extending their service life. These performance requirements need to be considered when selecting raw materials.   Chemical properties are another key requirement for raw materials in silicone parts. Silicone parts need to be able to maintain stable performance in the face of various chemical substances, including corrosive substances such as acids, alkalis, and salts. This requires raw materials to have excellent chemical corrosion resistance and maintain stable chemical properties when in contact with these chemicals. At the same time, raw materials also need to have good chemical stability to avoid performance degradation caused by chemical reactions during use.   Silicone parts have strict requirements for raw materials. These requirements cover multiple aspects such as purity, hardness, temperature resistance, dimensional accuracy, shape integrity, physical properties, and chemical properties.

The hot pressing process of silicone products has become an indispensable material in many fields in modern industrial production due to its excellent temperature resistance, corrosion resistance, and good physical properties. As a key technology in the production of silicone products, the precise process control of hot pressing technology is crucial for product quality.   1. Introduction to Hot Pressing Forming Process Hot pressing is a commonly used process in the production of silicone products, which mainly utilizes high temperature and pressure to transform solid silicone raw materials into the desired shape. The process flow is complex and requires precise control of parameters such as temperature, pressure, and time to ensure the quality and performance of the product.   2. Hot pressing process flow Raw material preparation: Select suitable silicone raw materials, usually in the form of milky white blocks. According to product requirements, add vulcanizing agents (ripening agents) and other additives such as colorants, luminescent powders, fluorescent powders, etc. Rubber mixing: Put the prepared raw materials and additives into the rubber mixing machine for mixing, usually for about 30 minutes. This step ensures the uniform mixing of raw materials and additives. Cutting: Cut the blended silicone raw materials into the required size for subsequent hot pressing molding. Awakening material: Place the cut silicone raw material on the awakening material rack and let it sit for a period of time, usually about 8 hours. This step helps bubbles in the raw materials escape, ensuring the compactness of the finished product. Hot pressing molding: Put the awakened silicone raw material into the mold of the hot press vulcanizing machine. Heat the mold to the set temperature, usually between 130 °C and 160 °C. Apply pressure to fill the mold cavity with silicone material. Maintain a certain holding time to allow the silicone to fully cure and form. Sulfurization: During hot pressing, the silicone raw material undergoes a vulcanization reaction to form a stable rubbery substance. Inspection: The molded silicone products need to undergo strict quality inspection, including inspection of appearance, size, performance, and other aspects. Edge removal: Take qualified products out of the mold and remove excess burrs and materials. Post processing: Based on product requirements, perform subsequent processing such as surface spraying, printing, engraving, etc. Final inspection: Conduct final inspection on all processed products to ensure that each product meets quality standards. Packaging: Packaging qualified products and preparing them for shipment.   In summary, through in-depth analysis of the hot pressing process of silicone products, we not only appreciate the complexity and precision of this technology, but also recognize its important role in promoting industry progress. With the continuous development of technology and changes in market demand, the hot pressing molding process will continue to be optimized and upgraded, bringing broader application prospects to the silicone products industry.

Is the material of silicone products soft or hard better? With the increasing popularity of silicone products today, consumers often encounter a key question when choosing: is the material of silicone products soft or hard better? This question troubles many people, as different levels of softness and hardness may bring vastly different user experiences and application effects.   1. Classification of softness and hardness of silicone products The softness and hardness of silicone products are usually measured by their hardness value, and the higher the hardness value, the harder the silicone; On the contrary, the softer it is. According to different hardness values, silicone products can be roughly divided into the following categories: Ultra soft silicone: With extremely low hardness and a soft and comfortable touch, it is commonly used in fields such as baby products and medical equipment that require extremely high softness. Soft silicone: Moderate hardness, with certain elasticity and softness, widely used in daily necessities, home accessories and other fields. Hard silicone: With high hardness, strong structural stability and load-bearing capacity, it is commonly used in industrial products, automotive parts,etc.   2. Advantages of Soft Silicone Products High comfort: Soft silicone products have a soft touch and do not cause pressure on the skin, making them suitable for long-term contact and use. Good elasticity: Soft silicone has good resilience, is not easily deformed, and can maintain shape stability under long-term use. High safety: Soft silicone is usually made of environmentally friendly and non-toxic materials, which are harmless to the human body and suitable for use in contact with food or medical fields.   3. Advantages of hard silicone products Structural stability: Hard silicone products have high hardness and strength, and can withstand significant pressure and tension, making them suitable for applications that require a certain amount of weight. Strong wear resistance: Hard silicone products have high surface hardness, are not easily scratched or worn, and have a long service life. Low processing cost: Compared to soft silicone, hard silicone is easier to form and demold during the processing, which helps to reduce production costs.   4. How to choose the appropriate silicone product for softness and hardness When choosing the softness and hardness of silicone products, the following factors should be considered comprehensively: Usage scenario: Determine the appropriate softness and hardness based on the usage environment and requirements of silicone products. For example, when used for baby products, ultra soft silicone should be selected to ensure comfort and safety; When used for industrial products, it may be necessary to choose hard silicone to ensure structural stability and load-bearing capacity. User experience: Consider the user's needs for the tactile sensation and user experience of silicone products. Soft silicone products are usually more popular among users who pursue comfort and softness; Hard silicone products are more suitable for users who pursue durability and structural stability. Cost effectiveness: Consider the processing and production costs of silicone products while ensuring quality. Choose the appropriate hardness and softness according to actual needs to maximize cost-effectiveness.

Silicone buttons can easily absorb dust without spraying, so after the molding process, we will spray a thin layer of ink on the surface of the silicone button, which can prevent dust and has a good hand feel. After spraying, it can enhance the feel and appearance of the product, making it feel smoother and look more three-dimensional. There are usually three spraying methods, each of which is different. We can choose the corresponding spraying method based on the customer's demand for the product effect.   Spray oil: Spray paint is a visible layer of ink sprayed onto the surface of silicone buttons, and the color can be adjusted according to the customer's needs for the product. Spray extinction: Matte ink is a type of matte feel ink with characteristics similar to PU ink. Spraying matte ink will make the surface of silicone buttons appear matte, and it can also spray a frosted effect, making the feel smoother! Spray PU: PU refers to a type of ink that has strong adhesion, wear resistance, good transparency, and other characteristics. Silicone buttons sprayed with PU also have a very good hand feel and wear resistance, making it a commonly used spraying method for silicone buttons.   The above three types are commonly known as "spray silicone buttons", which are commonly referred to as spray painting or spray painting.

Why silicone products are the choice of many industries? In today's rapidly changing materials science, silicone products have gradually become the preferred material for many industries due to their unique properties and wide application fields. Silicone products are ubiquitous in daily life, from kitchen utensils and electronic accessories to medical equipment and artificial organs in the medical and health field. With their excellent temperature resistance, aging resistance, biocompatibility, and environmental protection characteristics, they have won wide recognition from the market and consumers.   The reason why silicone products have become the preferred material for many industries is primarily due to their excellent material properties. Silicone, also known as silicone rubber, is a highly active adsorbent material that is typically prepared by reacting sodium silicate with sulfuric acid and undergoing a series of post-treatment processes such as aging and acid foaming. It has the characteristics of non-toxic, odorless, colorless, and transparent, and is chemically stable without reacting with other substances. In addition, silicone also has good high and low temperature resistance, and can maintain elasticity in the temperature range of -60 ℃ to 250 ℃ without deformation or hardening due to temperature changes. These characteristics enable silicone products to maintain stable performance even in extreme environments, meeting various complex application requirements.   In terms of production technology, the manufacturing process of silicone products involves multiple stages such as raw material preparation, mixing, molding, vulcanization, finishing, and post-treatment. During the raw material preparation stage, it is necessary to screen and preprocess the silicone raw materials to ensure that they meet production requirements. In the mixing stage, the silicone raw material is uniformly mixed with various additives to form a silicone rubber compound with specific properties. In the molding stage, injection molding, extrusion molding, or rolling molding methods are used to process the mixed rubber into the desired shape of the product. During the vulcanization stage, the crosslinking agent in the silicone product undergoes a chemical reaction through heating, forming a stable crosslinked structure, thereby improving the strength and durability of the product. The trimming and post-processing stage involves deburring, cleaning, drying, and other treatments to ensure that the product meets its final usage requirements.   Silicone products have a wide range of applications, covering almost every aspect of people's lives. In the field of kitchen supplies, silicone tableware, baking mats, sealing covers and other products are highly favored by consumers for their high temperature resistance and easy cleaning characteristics. In terms of electronic product accessories, silicone phone cases, headphone covers, dust plugs and other products not only have the function of protecting electronic products, but also provide comfortable grip and beautiful appearance. In the field of healthcare, products such as silicone catheters, artificial skin, and prosthetics have brought good news to patients with their excellent biocompatibility and durability. In addition, silicone products are widely used in fields such as automobiles, aerospace, toys, handicrafts, etc., demonstrating their strong application potential and market value.   In addition to its wide range of applications, silicone products have also won the favor of the market due to their environmentally friendly characteristics. During the production process, the raw materials of silicone products can be recycled, reducing their impact on the environment. At the same time, silicone products do not produce harmful substances during use and are harmless to both the human body and the environment. With the continuous improvement of consumers' environmental awareness, the environmental characteristics of silicone products will become an important driving force for their future development.   Looking ahead to the future, the silicone products industry will usher in even broader development prospects. On the one hand, with the advancement of technology and continuous innovation in manufacturing processes, the performance of silicone products will be further improved, and their application fields will become more extensive. On the other hand, with the continuous improvement of consumers' requirements for quality and environmental protection, silicone product companies need to constantly improve product quality and service levels to meet market demand. At the same time, strengthening communication and cooperation with the international market and promoting the internationalization process of the silicone products industry will also be an important direction for the future development of the industry.

Large diameter silicone sealing rings are used for the outer ring of high-pressure pot lids, and are widely used in daily life. When covered with a very thin aluminum inner lid, the sealing ring is directly inserted. There is also a type that has a steel wire ring inside and a sealing ring placed on top of it. Regardless of the type, the quality of the silicone sealing ring is very important.   The pressure cooker silicone sealing ring produced by our company is made of imported silicone gas phase adhesive material vulcanized. The product is safe, non-toxic, and has a high cleanliness level. It effectively handles the unpleasant odor and deformation of the sealing ring under high pressure and high temperature conditions. In addition, the silicone sealing ring produced by our factory can withstand a tensile force of 5KG, so there is no need to worry about the sealing ring being corroded under high pressure and high temperature conditions.   Performance of pressure cooker silicone ring: 1. Efficient, energy-saving and environmentally friendly products, completely non-toxic and odorless; 2. High temperature resistance, can reach -60 ℃~260 ℃, microwave heating, no deformation; 3. It has strong resistance to tearing and has been tested by professional instruments and can withstand 5KG without cracking; 4. It has good sealing, waterproof, dustproof, and elastic properties; 5. Possess ISO9000 series certification, pass EU ROSH certification, and US FDA certification, and can provide certificates.   Silicone sealing rings for pressure cookers: mainly used for waterproof sealing of daily necessities such as electric pressure cookers, pressure cookers, rice cookers, insulated boxes, insulated cups, ovens, magnetized cups, etc.

Silicone sealing plugs have a wide range of applications in various fields, such as food packaging, medical devices, household appliances, etc. Due to the diversity and complexity of its usage environment, the lifespan and functionality of silicone sealing plugs are often affected to some extent. So how can we control and improve the performance of silicone sealing plugs in the early stages of production to enhance their service life?   In terms of sealing function, the most feared issues are aging, deformation, leakage, damage, etc., which not only affect the overall functionality of the product and greatly reduce its service life, but also gradually reduce its rebound and compression performance over time during use, thereby affecting its functionality. There are still many methods to improve the performance of silicone seals. In the early stage of production and molding by silicone manufacturers, sufficient preparation should be made, and the application environment and special requirements of the product should be understood in advance. When customizing and processing in the early stage, the following points can be noted!   1. Select high-quality silicone material Choosing high-quality silicone material is the foundation for improving the lifespan of silicone sealing plugs. High quality silicone materials have better temperature resistance, oxidation resistance, and corrosion resistance, and can withstand a wider range of environmental conditions, thereby extending the service life of silicone sealing plugs.   2. Reasonable structural design The structural design of silicone sealing plugs has a crucial impact on their lifespan and functionality. Reasonable design can make silicone sealing plugs better adapt to various usage environments, improve their load-bearing capacity and resilience, thereby extending their service life.   3. Selecting materials for different application environments For example, in the early stages of production, you can first understand the product's usage environment, such as choosing UV resistant, flame retardant silicone for high temperature resistance, oil emitting silicone for stretching and friction, and rubber material as a substitute for some special properties. Different materials should be selected for different environments!   4. Selection of material softness and hardness The hardness of silicone sealing plugs has a significant impact on their functionality. Silicone is a soft carrier and its sealing performance is achieved through compression. Therefore, the choice of hardness for silicone plugs should also be based on the main function and usage environment. The conventional hardness is between 20-80.   Silicone sealing plugs, as a widely used material in various fields, have greatly improved lifespan and functionality, which greatly enhances the functionality of the main body. The lifespan of silicone sealing plugs can be improved by selecting high-quality silicone materials, designing structures reasonably, selecting materials reasonably, and adjusting hardness.

How to identify the quality of silicone products? With the increasing application of silicone products in various fields, consumers have higher requirements for their quality. The application of silicone products in daily life is becoming increasingly widespread, but how to identify their quality is a subject of study.   1.Observe the appearance High quality silicone products have a smooth and delicate surface, without obvious bumps, bubbles, cracks, or color differences. Check if the corners of the product are neat and if the edges are smooth. If surface roughness and defects are found, it is likely to be a low-quality product.   2.Hand feel test High quality silicone products have good elasticity and toughness, with a soft and smooth feel. You can gently squeeze it with your fingers to feel its resilience and softness. If the hand feels hard and has poor elasticity, it may be due to the use of low-quality materials.   3.Smell recognition High quality silicone products should be odorless or have a slight odor. If you smell a pungent odor, it may be due to the addition of inferior materials or harmful substances during the production process.   4.Combustion test You can ignite a small amount of silicone products with fire and observe the combustion situation. High quality silicone only produces a small amount of white smoke when burned, and the ash left after combustion is white powder. If a large amount of black smoke or viscous substances are produced, it indicates that the material may contain harmful substances.   5.Temperature resistance testing Silicone products usually have good high temperature resistance. You can test the product by placing it in hot water to observe whether it has deformed, discolored, or produced any odor. High quality silicone products should remain stable under these conditions.   6.Certification and Reporting When purchasing silicone products, you can check if the product has relevant certification marks, such as FDA, LFGB, etc. These certifications can serve as a reference for product quality. Meanwhile, if the product comes with a testing report, it can also serve as a basis for purchase.

What is the key to the production and processing of silicone products? Silicone products are widely used in various fields such as medical, electronics, automotive, food, etc. due to their excellent high temperature resistance, corrosion resistance, non-toxic and odorless characteristics. With the continuous growth of market demand, the production and processing technology of silicone products is also constantly improving. However, how to ensure product quality, improve production efficiency, and reduce production costs has become the core issue faced by silicone product manufacturers. Today, we will take you to understand the key to the production and processing of silicone products.   1. Production process of silicone products The production of silicone products mainly includes processes such as raw material preparation, mixing, molding, vulcanization, and post-treatment. Firstly, raw material preparation is the foundation. The main component of silicone is silicone rubber, which usually requires the addition of auxiliary materials such as fillers, vulcanizing agents, plasticizers, etc. to improve performance. The mixing process uses an internal mixer or an open mixer to evenly mix the raw materials, ensuring consistent material properties. Molding is the core step, and common methods include compression molding, injection molding, and extrusion molding. Compression molding is suitable for complex shapes, while injection molding is suitable for mass production. Sulfurization is the process of crosslinking and solidifying silicone gel through heating, endowing it with its final properties. Post processing includes trimming, cleaning, testing, etc., to ensure that the appearance and functionality of the product meet the requirements.   2. Technical difficulties in production and processing Material ratio and uniformity: The performance of silicone products is highly dependent on the raw material ratio and mixing uniformity. Excessive addition of fillers may lead to an increase in product hardness, while insufficient sulfurizing agents can affect the curing effect. Molding accuracy control: Complex shaped silicone products require extremely high requirements for mold design and molding processes, and a slight carelessness may lead to product size deviations or surface defects. Optimization of vulcanization process: The vulcanization temperature and time directly affect product performance, and too high or too low can lead to a decrease in product performance. Environmental protection and cost balance: The waste gas and wastewater generated during the silicone production process need to be properly treated, and the enterprise also needs to control production costs to maintain competitiveness.   3. Key measures for quality control Raw material testing: Strictly control the quality of silicone raw materials to ensure that they meet relevant standards, such as food grade or medical grade silicone, which must be certified by FDA. Process monitoring: Real time monitoring of mixing uniformity, forming pressure, vulcanization temperature and other parameters during the production process to ensure stability and controllability of each link. Finished product testing: Through tests such as tensile strength, tear strength, and temperature resistance, ensure that the product meets performance standards. Traceability system: Establish a comprehensive quality traceability system to facilitate the identification of problems and timely improvement.   4. Future Development Trends Intelligent production: With the advancement of Industry 4.0, the production of silicone products will gradually achieve automation and intelligence, improving production efficiency and product consistency. Green and environmentally friendly: The research and application of environmentally friendly silicone materials will become mainstream, reducing environmental pollution during the production process. High performance materials: The application of cutting-edge technologies such as nanotechnology and biotechnology will promote the development of silicone products towards higher performance and wider application fields. Customized services: With the diversification of market demand, silicone product manufacturers will pay more attention to providing customized solutions for customers.   The production and processing of silicone products is a complex and delicate process, involving multiple links and technical difficulties. By optimizing production processes, strengthening quality control, and embracing technological innovation, enterprises can gain an advantage in fierce market competition. In the future, with the advancement of intelligent and green trends, the silicone products industry will usher in a broader development space.

As is well known, in addition to superior product performance, silicone products also have a very unique advantage, which is the color change. Now let's take a look at the following methods for coloring silicone products:   1.Solution method This method involves dissolving silicone rubber into a solution with a certain concentration, then adding coloring agents and silicone rubber compounding agents to the solution, stirring evenly, drying at a certain temperature to remove the solvent, and adding sulfur to the rubber mixing machine. Disadvantages: Complex operation, uneven dispersion, slight color difference, difficult solvent recovery, environmental pollution, and low usage. 2.Mixing method At present, this method is commonly used in coloring silicone products, which involves directly adding the coloring agent or mixing it with the carrier before adding it to the rubber compound, and then mixing it evenly through a rubber mixing machine to color the silicone rubber. The specific methods are as follows. 3.Dry powder method Directly add the powdered colorant and small material into the silicone gel and mix on the open mill. The advantages are simple operation and low cost, but there is a large amount of dust during mixing, which pollutes the environment and is not easily dispersed evenly. There is color difference, and if the particles are too hard or coarse, it can also cause quality problems such as color spots, stripes, or chromatographic mutual pollution, which is less commonly used. 4.Color paste method It is first mixed with a liquid colorant, then ground into a paste or slurry using a three roll machine, and then added to silicone rubber in a certain proportion for mixing. This method can prevent dust from flying everywhere, which is beneficial for the dispersion of colorants in rubber and uniform color. But the content of colorants in the color paste is relatively low, the coloring is not very high, the transportation volume is large, the loss is large, and it is not very convenient for users to use. 5.Granular method There are two main methods for preparing coloring agent particles. The method is the same as other powder formulations. Firstly, soak the powder coloring agent in a surfactant, and then extrude it into pellets by melting wax or melting with resin. The second method is to soak the colorant in the surfactant, then refine the colorant particles by mechanical force to make a dispersion of a certain concentration, then mix with lotion for deposition, dry and roll to make particles. Particle coloring agents are easy to use, have good dispersibility, no dust flying, do not pollute the environment, have bright colors, uniform hair color, and no color difference. They are a very promising coloring method. However, the preparation process of granular coloring agents should be extensive.