Jinsha Precipitated Silica Manufacturing Co., Ltd. is one of the leading manufacturers and suppliers of synthetic amorphous silica powder for ink,painting and coating in China. With abundant experience, we warmly welcome you to buy high quality products made in China here from our factory. Contact us for more details.
Synthetic amorphous silica for ink,painting and coating
Synthetic amorphous silica（Precipitated silica） commonly known as silica, also known as hydrated silicic acid, light silica, chemical expression is generally written as mSiO2 · nH2O, the appearance of white high dispersion of amorphous powder, but also processed into granular as a commodity. Specific gravity of 2.319 ~ 2.653, the melting point of 1750 ℃. Do not dissolve in water and the vast majority of acids,。It will polymerize in the air after the absorption of water. Soluble in caustic soda and hydrofluoric acid. Stable for other chemicals, high temperature does not decompose, do not burn. Has a high electrical insulation, porous, large surface area, a water absorption, non-toxic.
Model No.:JS-280C
Characteristics:Large specific area,large pore volume,uniform pariticle size
Recommended Use:Flatting agent for paint coating and abrasive agent for toothpaste
Specification:
Test Methods | Properties | Units | Target Values (Spec Limits) | Actual Values |
HG/T3065-2008 | Loss on drying (2Hrs,105℃)加热减量 | % | Max.4.0 | 3.75 |
HG/T3066-2008 | Ignition loss 1000℃ 灼烧减量 | % | Max.7.0 | 4.01 |
HG/T3072-2008 | DBP absorption value DBP吸收值 | cm3/g | 3.2-3.6 | 3.30 |
HG/T3067-2008 | pH value (10%aqueous suspension) pH值 | — | 6.0-8.0 | 6.58 |
HG/T3062-2008 | SiO2 (Dry Basis) 二氧化硅(干基） | % | Min.96 | 98.5 |
HG/T3073-1999 | BET specific surface area BET比表面积 | m2/g | 240-280 | 264 |
Soluble salt (Na2SO4) 可溶性盐 | % | Max.0.5 | 0.21 |
Packaging:
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