When condensed liquid silica gel meets dry weather or insufficient water, after adding 2-3% curing agent according to the proportion, the silica gel will show the phenomenon of surface drying and......
2021-10-09Causes of bubbles 1 vulcanization temperature too low Vulcanization temperature is an important parameter during silicone rubber molding. Generally, silicone products are set at 160......
2021-10-08How to improve the heat and cold resistance of rubber, that is, to expand the range of its service temperature: Above a certain temperature, rubber loses elasticity due to aging; Below a c......
2021-10-08The first method: we can use silicone oil to reduce the hardness of silica gel. Generally, adding 1% silicone oil will reduce the hardness of silica gel by about 0.9 ~ 1.1 degrees; Adding 10% sil......
2021-09-30Silicone rubber is a linear polymer elastomer with inorganic and organic properties, with Si-O units as the main chain and monovalent organic groups as side groups. Silicone rubber adhesive......
2021-09-30(1) Silicone base polymer The basic component of additive liquid silicone rubber is silicone basic polymer, which is mainly polydiorganosiloxane containing two or more silicon vinyl groups.......
2021-09-29Liquid silica gel, abbreviated as LSR in English, is a product that can be favored by consumers and manufacturers. Liquid silica gel is made of silica gel products, which has good elasticity, wa......
2021-09-29After the production of silica gel products, sometimes the appearance and function of some silica gel products can not meet the required product requirements after molding. This situation is tha......
2021-09-28Silicone rubber is the largest category of silicone products. It is a kind of polymer material with both inorganic and organic properties, whose main chain is Si-O-Si bond inorganic structure an......
2021-09-28Rubber vulcanization reaction process (1) Vulcanization process According to the analysis of vulcanization process, it can be divided into four stages: scorch stage, hot vulcanizatio......
2021-09-26In fact, silica gel products have very strong practicability, but one of them makes it both beneficial and harmful. Dust and impurities are one of the most fatal disadvantages of silica gel prod......
2021-09-26Nowadays, when many rubber products manufacturers produce molded products, it is difficult to demould, which has become a common problem. So why is demoulding difficult? How to prevent the diffi......
2021-09-24Cold resistance of rubber refers to the ability to maintain rubber elasticity and normal operation at the specified low temperature. At low temperature, the relaxation process of vulcanized rubb......
2021-09-24In the rubber processing industry, the scaling problem of rubber mold is a common phenomenon. During the vulcanization process, a layer of sediment is formed on the die wall and gradually accumul......
2021-09-23According to different mold structures and product production processes, rubber molds are divided into four common molds: press molding molds, die casting molds, injection molding molds and extr......
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