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…