Silicone Rubber Grade Low Iron Precipitated Silica Felcosil-779-1

Medium Partical Size: 10-14um and BET specific surface area 150-180 m²/g

Chemical Properties

White powder form,with low iron raw materials. It is high reinforced ultrafine Silica with strict purifying technology specialized use for high temperature vulcanized silicone rubber. 

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

Application

7791 is used widely for high temperature to produce vulcanized silicone rubber. 

7791 has high transparent, good anti yellowing effect, high hardness effect, and better reinforcement effect.

Silica is applied in silicon rubber with high transparent and process when produce silicon rubber .

SiO2, Precipitatd Silica, White Carbon, Silicon Dioxide, Conventional Silica Powder, Amorphous Precipitated Silica, Micro pearl precipitated silica