This is probably the most comprehensive of gas phase method of silica gel
the gas phase method of silica gel is in common kind of raw material of silicone rubber products industry, but as a purchase you for purchasing the silicone products you work out the meaning of the gas phase method of silica gel, the difference between food grade silica gel? The advantages and disadvantages are is how? Rubber belt you know slowly.
what is the method of gas phase silicone
the gas phase method of silica gel is also called the high strength of silicone rubber, the main production of high transparent silicone products, it is compared with ordinary silica gel to make high elastic rubber, high toughness, and the compression deformation of the buffer is low, high resistance to yellow effect of products, the gas phase method of silica gel is the use of silicon tetrachloride and air combustion silica made of silica gel, fineness of more than 1000 mesh. And the difference between the precipitation of silica gel, after the production of sulfuric acid is added is the use of sodium silicate in the silica precipitation. Only 300 - fineness 400 mesh.
the gas phase method of silica gel and the relationship between food grade and medical grade silicone
the gas phase method of silica gel with food grade and medical grade silicone has a lot of similarities, can also through certain export certification testing but after adding different vulcanization agent will have different effect and inspection standard, method of gas phase silicone with food-grade silicone similar but still want to add curing agent curing effect to detect by FDA certification, and for the European and American LFGB testing certification or uncertain.
the gas phase method of silica gel ( The gas phase glue) With the precipitation silica gel ( Ordinary silica gel) The difference between the
precipitation silica white phenomenon occurs on the tensile, and low tensile strength
and gum of the gas phase in stretch when there will be no white phenomenon
in the tensile strength can reach about 500%. The silica obtained silicon tetrachloride and air combustion fineness of 1000 mesh above
precipitation after production of sulfuric acid is added is the use of sodium silicate in the silica precipitation. Only 300 - fineness 400 mesh
so the gas phase method of silica gel compared with ordinary silica gel on the performance of outside prices are significantly more expensive.
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