China wholesale Amorphous Fumed Silica - Fumed Silica, HP-150/ HP-200/ HP-380, Silicon dioxide, SiO2 Package of 10kg in a paper bag – Hungpai

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China wholesale Amorphous Fumed Silica - Fumed Silica, HP-150/ HP-200/ HP-380, Silicon dioxide, SiO2 Package of 10kg in a paper bag – Hungpai Detail:

Chemical Name

Silicon dioxide

Structural Formula

SiO2

Physical properties

Fumed silica called as well as aerosil. It is a white, amorphous，high-dispersive and minuteness powder. It dissolved caustic potash and hydrofluoric acid, but don’t dissolved water and other acids. It can form collective granule after imbibed moisture in the air. It is stable for the chemical medicine, endures high temperature, no inflammation, and insulation for electricity.

Specifications

item	HP-150 specification	HP-200 specification	HP-380 specification
item	A150	A200	A380
specific area	150±25	200±25	380±25
content of SiO2	≥99.8%	≥99.8%	≥99.8%
PH value of suspending liquid	≥4.0	≥4.0	≥4.0
weight lost after baking	≤1.0%	≤1.0%	≤1.0%

Applications

It has high thickening and thixotropy, and has good adsorption and reinforcement. Used as thickener and thixotropic agent for plastics and coatings, reinforcing agent for silicone rubber and opening agent for plastic film, anti-caking agent for powder, excipient for medicine, performance improver for cosmetics, sealing material, electrical insulation and insulating materials and hotness, printing ink and so on.

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Colloidal Anhydrous Silica