As the saying goes, where there is an advantage, there cannot be a disadvantage. No product can be absolutely foolproof, and basically all have some flaws or weaknesses. Silicone materials occupy a part of our daily lives in household goods. Dust accumulation is one of the more common defects of silicone products. Even products freshly produced by silicone manufacturers often exhibit dust attraction. Therefore, this can be considered a common problem across the industry and one of the drawbacks of many products. The main reason is the unique properties of the material. What are the main factors affecting its ability to attract dust?
Adsorption is an inherent characteristic of silicone rubber materials. It serves functions such as mold prevention, desiccant, and moisture absorption in the silicone rubber industry. The high-activity adsorption characteristic is inherent to silica, which automatically adsorbs fine dust from the surrounding environment. The main reason is that the physical material of silica is anodic. In addition to silicone rubber daily necessities, it is also used as an auxiliary material and compound material in many inorganic silicone products. However, unlike the crosslinking agent, which has a significant reaction function on adsorption, if the silanol groups are completely destroyed, the adsorption capacity is reduced or even eliminated. Nevertheless, different silicone rubber products are also influenced by other external factors, such as the following!
The reason why the hardness of the material affects dust adsorption is primarily due to the different crosslinking agents added, which result in varying adsorption strengths. Silicone products with lower hardness are more prone to dust accumulation. Since the cost of silane coupling agent, the main component of the material, increases with lower product hardness, the resulting adsorption strength is greater. Products with higher hardness generally face the same issue, but their adsorption strength is not as strong as that of low-hardness silicone products!
In the materials, silicone oil also affects the adsorption strength. The more silicone oil components in the material during the refining process, the greater the surface stickiness, which in turn leads to a higher degree of dust adhesion on the product. This phenomenon is not primarily a matter of adsorption strength, but rather the surface silicone oil causing the product to be more sticky, which naturally leads to dust adsorption.
Next comes the mold issue. The different mold surfaces of silicone rubber product manufacturers affect the product's ability to adsorb dust differently. Since mold surfaces are divided into matte and polished mirror surfaces, matte molds are usually further divided into coarse matte and fine matte. Different matte surfaces have varying effects on the product's ability to attract dust. The most sticky surface is the polished mirror surface, which has no gaps or sand holes on the surface. Coupled with the unique adsorption ability of silicone, it naturally leads to dust attraction issues.
The main reasons for dust accumulation issues are the inherent properties of the materials and the control issues faced by silicone processing manufacturers. However, through process refinement and technological advancements, various methods have been developed to prevent dust accumulation on silicone products. Currently, most silicone products undergo surface treatments to prevent dust adsorption, such as oil spraying, electrostatic rubber materials, and surface coating processes!
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