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  What are the basic characteristics of silica gel masterbatch?  First, the light resistance of silica gel color master  The light resistance of silica gel masterbatch refers to the light resistance of masterbatch. The pigment is dispersed in a certain medium, and the s…

  Silica gel is a kind of highly active adsorption material, is an amorphous substance, which contains polysiloxane, silicon oil, white carbon black (silica), coupling agent and filler, etc., the main component is silica, its chemical formula is MSiO2 ·nH2O. Insoluble in water and any solv…

  Hexagon barbell bar is mainly used for fitness exercise, the general weight is about 20 kg. Like a normal lever, it can add different weights of barbell pieces at each end.  The hexagonal barbell bar has a hexagon in the middle with grips on both sides. In use, the user stands i…

  At present, the all-rubber barbell pieces on the market are generally elastic barbell pieces with rubber as the main material, and some rubber will be mixed with cement. There is also a plastic case with concrete barbell plates inside.  Compared with the traditional glue-covered…