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Fumed Silica IOTA HB4615


Product description

HB4615 is hydrophobic fumed silica which is produced by HL4150 after chemical post-treatment with HMDS (Hexamethyldisilazane).


Specification

IOTA HB4615

Specific sunface area(BET), /g

120

pH value in 4% dispersion

5.57.5

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

Sieve Residue(45μm), mg/kg

-

Silica Content(Based on ignited material), %

≥99.8

Tamped Density(Based on material dried at 105 for 2 hours), g/dm²

4060

Carbon Content (Based on material dried at 105 for 2 hours), %

1.01.7

 

Applications 

Elastomers, HTV&RTV silicone rubber, SLR

Coatings & Printing ink                    

Adhesives and Sealants

Negative Toners                              

Powder Coatings

 

Properties

Reinforcing filler for elastomer

High hydrophobicity and stable thixotropy

Anti-settling,anti-sagging, anti-thixotrophy in coating and ink          

Improving the homogeneity and stability of pigment          

Free flow aid and anti-caking aid for powders 

 

Package

White kraft paper bag, 10KG/Bag



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