High Anti Yellowing Silica 800 in Silicone Rubber

White powder precipitated silica by selection of raw materials, with low iron raw materials. It can be dissolved by NaOH, HF. Other kinds of acid, water and organic solvents cannot dissolve the product. Resistance to high temperature, no combustion, good insulation, odourless properties.

High Anti Yellowing Silica 800 in Silicone Rubber

Medium Partical Size: 10-14um and BET specific surface area 130-160 m²/g

Chemical Properties

White powder precipitated silica by selection of raw materials, with low iron raw materials. It can be dissolved by NaOH, HF. Other kinds of acid, water and organic solvents cannot dissolve the product. Resistance to high temperature, no combustion, good insulation, odourless properties.

Specifications

Items Specification
Appearance White Powder
BET specific surface area m2/g 130-160
Salt As Na2SO4% Max 0.7
SiO2 % Min 98
Heating Loss at 105°C 2h % Max 4.0-8.0
Ignition Loss at 1000°C h % Max 7.0
pH Value(10% aqueous suspension) 6.0-7.0
DBP absorption Value cm³/g 2.0-2.7
Total Fe mg/kg Max 200
Medium Size(D50) µm 10-14

Application

800 take better reinforcement effect on high temperature vulcanized silicone rubber. It has high transparent, good antiyellowing effect, and good processability properties.

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