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FDA testing is done for food contact materials, which is tested according to the material. The U.S. Food and Drug Administration (FDA) is responsible for regulating food contact materials. Such materi......
2022-03-171. Improper selection of glue Solution: choose the right adhesive 2. The metal surface treatment fails, so that when the primer is vulcanized, it cannot achieve physical adsorption with the meta......
2022-03-17The chemical composition of silicone rubber is silicon-oxygen. Silicone rubber means that the main chain is replaced by silicon and oxygen atoms. The silicon atom is usually connected to rubber with t......
2022-03-17Several important types of silicone rubber are introduced below. 1. Methyl silicone rubber Methyl silicone rubber is the earliest type of silicone rubber that has been put into commercial produc......
2022-03-17High-temperature vulcanized silicone rubber is a polyorganosiloxane (ie, raw rubber) with high molecular weight (molecular weight is generally 400,000 to 800,000), adding reinforcing fillers and other......
2022-03-17Silicone rubber is the largest type of silicone products, and is an elemental organic elastomer obtained by hydrolysis and polycondensation of various dichlorosilanes. Divided into thermal vulcanizati......
2022-03-02(1) Surface dry time It refers to the time that the one-component room temperature vulcanized silicone rubber loses its viscosity when it is exposed to the atmospheric environment and the surface i......
2022-03-02Product name: RTV phenyl silicone rubber raw rubber In addition to excellent electrical properties, weather resistance, ozone resistance and other properties, this product also has excellent l......
2022-03-02A. Mixing process Insufficient mixing time, high or low discharge temperature; simultaneous addition of acidic and basic compounding agents (such as stearic acid and scorch retarder ESEN with zinc ......
2022-02-23Causes and treatment of scorch of rubber compound 1. Improper cooperation Such as vulcanizing agent, the amount of accelerator is too much; 2. Improper rubber mixing operation I......
2022-02-23After the rubber is kneaded, various additives have not been evenly dispersed, and at the same time, the stress generated by the shearing, tearing and friction of the rubber macromolecular chain by th......
2022-02-23Liquid silicone has excellent transparency, tear strength, resilience, anti-yellowing, thermal stability, water resistance, good air permeability, heat aging resistance and weather resistance, while m......
2022-02-14auto industry The application of silica gel in the automotive industry is growing rapidly. Silica gel (especially silica gel with various properties) can resist the erosion of fuel and lubricating ......
2022-02-14The structure of the thermosetting liquid silicone rubber (LSR) injection mold is generally similar to the mold structure used for thermoplastic compounds, but there are many significant differences. ......
2022-02-14The structure of the thermosetting liquid silicone rubber (LSR) injection mold is generally similar to the mold structure used for thermoplastic compounds, but there are many significant differences. ......
2022-01-27
