What is the reason for the difference in hardness and softness of silica gel products?

In the usual use of silica gel products, no matter whether the hardness of the product does not meet the requirements can not guarantee the normal use of the phenomenon, which is not in line with the local phenomenon of the hardness of silica gel products is very different from the manufacturer's production of hardness. The main reason is some problems in the molding curing process, and in the case of ensuring the hardness of the raw material of the product, it can basically be obtained from the machine equipment and personnel control. Recently, many friends have reported that their electronic buttons have such products. Due to the hardness and softness of the button, the toughness of the button is not good enough, and there is no rebound phenomenon after the installation.

This situation is caused by the production reasons of the silicone product manufacturers themselves. The raw materials and machinery and equipment are guaranteed to be normal, that is, the production of personnel and the problem of The Times. Generally, the silicone product manufacturers will need to confirm how many degrees of raw materials are mixed in the samples required by the customers to ensure that the hardness requirements of customers meet the standard. After mixing, the temperature of the machine and equipment is adjusted from the pressure and drain hole. It is necessary to determine the curing time to achieve the most desirable results, so after complete inspection, the reason can be identified from the method of operation.

For product hardness, it does not need to be too hard or too soft. Usually, silicone rubber products will be adjusted from time to time, and it is necessary to make more appropriate products to adjust the time. According to the previous model of the product, can realize whether the product reaches the hardness. If adding two or three degrees of mold temperature is not enough, the time will be extended. If the hand feels too hard and not too brittle, it will lead to easy cracking in the actual process in the future. You can reduce the time to increase production time. Too brittle, then only lower the temperature until the bubbles are not good. The hardness of silicone products may seriously affect the normal use. Therefore, when the manufacturer produces, try to make the product soft to achieve the best feel, hard and soft. Moderate seating.