HJSIL Fumed Silica R274

Hydrophobic Fumed Silica R274 Description: HJSIL R274 is a hydrophobic fumed silica after-treated with Dimethyldichlorosilane (DDS). Applications: Room temperature vulcanized (RTV), especially electronic potting compounds Adhesive and Sealants Inks and Powder Coatings Hydrophobic Silica In Coatings features: Hydrophobic Thickening thixotropic and reinforcing agent  Improves RTV silicone rubber with good shelf life   Improves Rheological control of adhesives Improve the Viscosity of Coatings High free flow and anti-caking of powder coatings Physical and chemical data: Properties and test methods Unit Typical Value Standardization Specific surface area (BET) m2/g 170 ± 25 GB/T 20020 pH value (in 4% dispersion) 3.8 ~ 5.0 GB/T 20020…