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Cause: Due to the high permeability of silicone rubber, especially the mixed rubber made of silica by precipitation method, with the increase of relative humidity in the air, the water content of the ......
2021-10-131.The vinyl content in the rubber is not enough or the vinyl content of the raw rubber itself is not evenly distributed, so that the rubber does not reach the positive sulfur point when curing, the cu......
2021-10-13There is also a big difference between food grade silica gel and ordinary silica gel. Food grade silica gel is vulcanized by platinum, high elasticity, high transparency and high tear strength. Regula......
2021-10-131.smell method. The silicone rubber products close to the nose smell, the pungent smell is ordinary silicone rubber, on the contrary, it is food grade silicone rubber. Ordinary silicone rubber with a......
2021-10-13With the further improvement of the industrial level, more and more people will use a large number of silicone rubber products in life. The two most common silicone rubber products can be divided into......
2021-10-13Silica gel tube according to the production and manufacturing of raw materials and the natural environment and application provisions can be divided into industrial production grade silica gel hose, f......
2021-10-13Secondary vulcanization,this is from the machine molded products, and then the production of the product in the oven for a period of time (180 degrees to 200 degrees, generally for two or three h......
2021-10-13Room temperature vulcanized silicone rubber, referred to as RTV, commonly used silicone adhesive, is a kind of silicone elastomer came out in the 1960s, without heating, can be crosslinked vulcanizati......
2021-10-13Molding RTV silicone rubber is a vinyl linear polysiloxane as the base rubber, with hydrosiloxane as the crosslinking agent, in the presence of a catalyst, at room temperature to medium temperature cr......
2021-10-09Gas phase silica is extremely important, one of the high-tech superfine inorganic new materials due to its small particle size, specific surface area is big, therefore the surface adsorption power, su......
2021-10-09There are two kinds of silica gel: one is precipitation silica gel; One is gas phase silica gel. Next xiaofian will take you to understand, gas phase silica gel resistance to high and low temperature ......
2021-10-09Liquid silica gel (LSR) is a non-toxic, heat resistant, high elastic, flexible thermosetting transparent silicone, with excellent transparency, tear strength, resilience, yellowing resistance, thermal......
2021-10-091, natural rubber (NR) natural rubber (NR) isoprene polymer. Excellent resilience, tensile strength, elongation, wear resistance, tear and compression permanent deformation performance are better than......
2021-09-30This paper focuses on the quality detection method of mixed rubber, general enterprises in the production of each mixed rubber material to carry out quick inspection, in addition to regular sampling, ......
2021-09-30The viscosity of raw rubber or mixed rubber can be used to characterize the forming performance of semi-finished products before vulcanization. It affects the production efficiency and quality of fini......
2021-09-30
