| 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 |
| Color: | White |
|
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Product description
HB4135 is hydrophobic fumed silica which is produced by HL4380 after chemical post-treatment with HMDS (Hexamethyldisilazane).
|
Specification |
IOTA HB4135 |
|
Specific sunface area(BET), m2/g |
210 |
|
pH value in 4% dispersion |
7.0~8.5 |
|
Loss on drying(2 hours at 105ºC), % |
≤0.5 |
|
Loss on ignition(2 hours at 1000ºC based on material dried for 2 hours at 105ºC), % |
≤8.0 |
|
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), % |
3.5~6.5 |
Applications
Silicone rubber
Adhesives and Sealants
Defoamer
Toner
Properties
Low thickening effect and excellent processability enable high loading in polymers
Excellent reinforcing properties in silicone rubber especially at high filler loading levels(RTV-1,RTV-2,LSR)
Good transparency performance
Free-flow aid for powders
Package
White kraft paper bag, 10KG/Bag
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