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Fumed Silica IOTA HB4132


Product description

HB4132 is hydrophobic fumed silica which is produced by HL4200 after chemical post-treatment with HMDS (Hexamethyldisilazane).


Specification

IOTA HB4132

Specific sunface area(BET), /g

160

pH value in 4% dispersion

7.08.5

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), %

2.54.0

 

Applications 

Silicone rubber

Defoamer

Toner                       

Adhesives and Sealants

 

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 and anti-caking aid for powders

 

Package

White kraft paper bag, 10KG/Bag




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