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Product characteristics of fumed silica

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As an important chemical raw material, white carbon black is a synthetic amorphous white flowing powder with strict particle size distribution of specific surface area and volume. This product is a white, loose, amorphous, non-toxic, tasteless, odorless, pollution-free non-metallic oxide. Its primary particle size is between 7~80nm, and its specific surface area is generally greater than 100m2/g. Due to its nano effect, it has excellent properties of reinforcement, thickening, thixotropy, insulation, extinction, anti sagging, etc. in materials, so it is widely used in rubber, plastics, coatings, adhesives, sealants and other polymer industries. As thixotropic agent and thickener of liquid, it can prevent sedimentation and sagging; Improve the suspension and dispersion of pigment filler in liquid system; Used as dispersing and grinding aids; Improve the corrosion resistance of the coating; Improve powder fluidity and storage stability; Improve the charge capacity and charge stability of powder; Improve water resistance; Improve scratch resistance of paint film; Improve the color brightness; Fixed special effects; Improve the physical and mechanical properties of the paint film; Improve the adhesion and flexibility of paint film; Improve the viscoelastic properties of rubber and elastomer, and reinforce them; Defoaming effect of defoamer; Improve coating surface hardness and scratch resistance; Prevent adhesion in film and elastomer; As adsorbent and carrier; Used for ink-jet printing coating; As an advanced filling material for dental materials; As a catalyst carrier, it has remarkable thermal insulation, and is used for low temperature and high temperature insulation.


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