CAS No.: | 7631-86-9 |
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Appearance: | Powder |
Usage: | Rubber Auxiliary Agents, Plastic Auxiliary Agents, Coating Auxiliary Agents, Surfactants, Adhesives and Sealants |
Color: | White |
Specific Sunface Area(Bet), M2/G: | 135-165 |
pH Value in 4% Dispersion: | 3.9-4.5 |
Samples: |
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Product description
HL4150 is hydrophilic fumed silica with a specific surface area around 150m2 /g, mainly is applied in HTV and RTV Silicone rubber, adhesives and sealants, coatings and paintings
Specification |
IOTA HL4150 |
Specific sunface area(BET), m2/g |
150±15 |
pH value in 4% dispersion |
3.9~4.5 |
Loss on drying(2 hours at 105ºC), % |
≤1.5 |
Loss on ignition(2 hours at 1000ºC based on material dried for 2 hours at 105ºC), % |
≤2.0 |
Sieve Residue(45μm), mg/kg |
≤250 |
Silica Content(Based on ignited material), % |
≥99.8 |
Tamped Density(Based on material dried at 105ºC for 2 hours), g/dm² |
40~60 |
Applications
HTV and RTV Silicone rubber
Adhesives and Sealants
Coatings and Paintings
Properties
Reinforcing filler in elastomers
Rheology control and thixotropic agent
Anti-settling,anti-sagging and thickening agent
Free flow aid and anti-caking aid for powders
Package
White kraft paper bag, 10KG/Bag
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