HJSIL Fumed Silica R272 

Hydrophobic Fumed Silica R272 Description: HJSIL R272 is a hydrophobic fumed silica, originally from Hydrophilic Silica with DDS Treatment. Applications: Room temperature vulcanized (RTV), especially electronic potting compounds Adhesive and Sealants Inks and Powder Coatings Physical and chemical data: Properties and test methods Unit Typical Value Standardization Specific surface area (BET) m2/g 110 ± 25 GB/T 20020 pH value (in 4% dispersion) 3.8 ~ 5.0 GB/T 20020 Loss on drying (2 hours at 105 °C) Wt% ≤ 1.0 GB/T 20020 Loss on ignition (2 hours at 1000 °C,based on material dried for 2 hours at 105 °C) Wt% ≤ 2.0 GB/T 20020…