| CAS No. |
7631-76-9 |
| Place of Origin |
China |
| Grade Standard |
Industrial Grade |
| Purity |
99.8% |
| Brand Name |
Una. |
| Model Number |
Una.L series |
| Appearance |
superfine white powder |
Fumed silica (SiO2,white powder) Una.L series Application: Silicon Rubber: Improves silicon rubbers durability, rebound rate, and anti-distortion performance. Plastics Industry: Improves plastic s tenacity, strength and prevents water absorption Coating Industry: Prevents agglomeration and drip. Thixotropic additives. Increase denseness and smoothness of paint. Medicine Industry: Increase denseness ,floating , carrying function in medicine. It also can be used as the pesticide powder and anti-agglomeration. Technical IndexMeasuring Units Models &Test Results Una.L150 Una.L200 BET Specific Surface Area m2/g 130-18 170-230 PH value 3.6-4.5 Ignition loss 1000oC % ≤ 2.5 Loss on Drying 105oC 2h % ≤ 1.5 Bulk Density g/L 25-60 45μm water wash sieve residue % ≤ 0.05 C Content m/m% SiO2 Content m/m% ≥ 99.8 Al22O3 Content m/m% ≤ 0.05 TiO2 Content m/m% ≤ 0.03 Fe2O3 Content m/m% ≤ 0.003 Application High-grade transparent rubber products , coating , printing ink .