White Carbon Black, Precipitated Silica

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.
Specification
Type 813 815 900A
SiO2 90 91 94
Residue on sieve(45um)％≤ 0.5 0.5 0.5
Heating Loss %≤ 7.0 7.0 7.0
Ignition Loss % ≤ 7.0 7.0 7.0
PH 6.0-7.0 6.0-7.0 6.0-7.0
Fe mg/kg ≤ 300 260 200
DBP cm³/g≤ 2.8 2.8 3.0
Specific Surface m²/g 180-220 200-230 220-260
conductivity μs/cm≤ 300 150 110
Sulfate % ≤ 0.3 0.15 0.1
Bulk Density g/ml 0.16 0.16 0.16
packing 15kg 15kg 15kg
Appearance White Powder White Powder White Powder