High Purity: Ensures superior performance in rubber and plastic applications. Nano Grade Fumed Silica: Enhances material properties with advanced technology. Product Name: Fumed Silica / Colloidal Silicon Dioxide / Amorphous Fumed Silica CAS Number: 112945-52-5 EC Number: 231-545-4 HS Code: 2811220000 Molecular Formula: SiO2 Molecular Weight:60.08 g/mol Production Process: Pyrogenic Process (hydrolysis of chlorosilane in hydrogen-oxygen flame) Appearance: White fluffy ultra-fine powder, odorless, non-toxic, tasteless, non-crystalline Grade: Industrial Grade, Food Grade, Cosmetic Grade, Pharmaceutical Grade Key Specifications (CAS 112945-52-5) - Purity (SiO2 Content): ≥ 99.0% - 99.8% Min - Particle Size: 5-40 nm (nano grade, customizable) - Specific Surface Area (BET): 100-400 m²/g (200±20 m2/g as standard) - pH Value: 3.6-4.5 (in 4% suspension) - Moisture Content (Loss on Drying @105℃): ≤ 2.0% - Loss on Ignition @1000℃: ≤ 2.0% (after drying at 105℃ for 2 hours) - Tamped Density: 40-60 g/L -Type: Hydrophilic Fumed Silica, Hydrophobic Fumed Silica (surface modified) Product Features - Strictly complies with CAS 112945-52-5 standard, high purity, low impurity content, stable chemical properties. - Nano-scale particles (5-40nm), large specific surface area, strong surface activity and adsorption capacity, excellent reinforcement and thickening performance. - Good thermal stability, high temperature resistance (melting point >1600℃), chemical inertness, non-toxic and environmentally friendly, compliant with global environmental standards. - Dual types available (hydrophilic/hydrophobic), good compatibility with rubber, plastic, coating, ink, cosmetics and pharmaceutical products. - Excellent thixotropy and anti-settling properties, effectively improving product performance and processing stability. - Non-dangerous goods, easy to transport and export; factory direct supply, large stock, competitive price and stable supply capacity.

High Purity: Ensures superior performance in rubber and plastic applications. Nano Grade Fumed Silica: Enhances material properties with advanced technology. Product Name: Fumed Silica / Colloidal Silicon Dioxide / Amorphous Fumed Silica CAS Number: 112945-52-5 EC Number: 231-545-4 HS Code: 2811220000 Molecular Formula: SiO2 Molecular Weight:60.08 g/mol Production Process: Pyrogenic Process (hydrolysis of chlorosilane in hydrogen-oxygen flame) Appearance: White fluffy ultra-fine powder, odorless, non-toxic, tasteless, non-crystalline Grade: Industrial Grade, Food Grade, Cosmetic Grade, Pharmaceutical Grade Key Specifications (CAS 112945-52-5) - Purity (SiO2 Content): ≥ 99.0% - 99.8% Min - Particle Size: 5-40 nm (nano grade, customizable) - Specific Surface Area (BET): 100-400 m²/g (200±20 m2/g as standard) - pH Value: 3.6-4.5 (in 4% suspension) - Moisture Content (Loss on Drying @105℃): ≤ 2.0% - Loss on Ignition @1000℃: ≤ 2.0% (after drying at 105℃ for 2 hours) - Tamped Density: 40-60 g/L -Type: Hydrophilic Fumed Silica, Hydrophobic Fumed Silica (surface modified) Product Features - Strictly complies with CAS 112945-52-5 standard, high purity, low impurity content, stable chemical properties. - Nano-scale particles (5-40nm), large specific surface area, strong surface activity and adsorption capacity, excellent reinforcement and thickening performance. - Good thermal stability, high temperature resistance (melting point >1600℃), chemical inertness, non-toxic and environmentally friendly, compliant with global environmental standards. - Dual types available (hydrophilic/hydrophobic), good compatibility with rubber, plastic, coating, ink, cosmetics and pharmaceutical products. - Excellent thixotropy and anti-settling properties, effectively improving product performance and processing stability. - Non-dangerous goods, easy to transport and export; factory direct supply, large stock, competitive price and stable supply capacity.