| CAS No.: | 7631-86-9 |
|---|---|
| Appearance: | Powder |
| Usage: | Oil Drilling Auxiliary Agent, Water Treatment Chemicals, Rubber Auxiliary Agents, Plastic Auxiliary Agents, Coating Auxiliary Agents, Textile Auxiliary Agents, Paper Chemicals, Surfactants, Leather Auxiliary Agents, Electronics Chemicals |
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Product description
HB4612 is hydrophobic fumed silica which produced by HL4150 after chemical post-treatment with HMDS (Hexamethyldisilazane).
|
Specification |
IOTA HB4612 |
|
Specific sunface area(BET), m2/g |
115 |
|
pH value in 4% dispersion |
5.5~7.5 |
|
Loss on drying(2 hours at 105ºC), % |
≤0.7 |
|
Loss on ignition(2 hours at 1000ºC based on material dried for 2 hours at 105ºC), % |
≤2.0 |
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Sieve Residue(45μm), mg/kg |
- |
|
Silica Content(Based on ignited material), % |
≥99.8 |
|
Tamped Density(Based on material dried at 105ºC for 2 hours), g/dm² |
40~60 |
|
Carbon Content (Based on material dried at 105ºC for 2 hours), % |
0.7~1.3 |
Applications
RTV silicone sealants,especially electronic potting and Liquid glue
Adhesives and Sealants
Coatings & Printing ink
Powder Coatings
Properties
Thixotropy and reinforcement in RTV silicone sealants, the hydrophobic
feature gives RTV silicone sealants a long shelf-life
Rheological control of RTV silicone rubber
Anti-settling,anti-sagging and thixotropy agent
Free flow aid and anti-caking aid for powders
Package
White kraft paper bag, 10KG/Bag
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