FUMED SILICA IOTA HB7615

Product description

HB7615 is hydrophobic fumed silica which is produced by HL7150 after chemical post-treatment with HMDS (Hexamethyldisilazane).

Specification	IOTA HB7615
Specific sunface area(BET), ㎡/g	150±15
pH value in 4% dispersion	5.5～7.5
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
Silica Content(Based on ignited material), %	≥99.8
Tamped Density(Based on material dried at 105℃ for 2 hours), g/L	40～60
Carbon Content (Based on material dried at 105℃ for 2 hours), %	1.0～1.7

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