Product description
HB7620 is hydrophobic fumed silica which is produced by HL7200 after chemical post-treatment with HMDS (Hexamethyldisilazane).
|
Specification
|
IOTA HB7620
|
|
Specific sunface area(BET), ㎡/g
|
200±20
|
|
pH value in 4% dispersion
|
5.5～8.0
|
|
Loss on drying(2 hours at 105℃), %
|
≤0.5
|
|
Loss on ignition(2 hours at 1000℃ based on material dried for 2 hours at 105℃), %
|
≤4.0
|
|
Silica Content(Based on ignited material), %
|
≥99.8
|
|
Tamped Density(Based on material dried at 105℃ for 2 hours), g/L
|
40～60
|
|
Carbon Content (Based on material dried at 105℃ for 2 hours), %
|
1.5～2.5
|
Applications
HTV silicone rubber & LSR
Coatings & printing ink
Adhesives & Sealants
Powder Coatings
Properties
Reinforcing filler for elastomer
High hydrophobicity and stable thixotropy
Anti-settling, anti-sagging agent in coatings and printing ink
Free flow aid and anti-caking aid for powders
Rheological control for adhesives and sealants
Package
White kraft paper bag, 10KG/Bag
