FUMED SILICA IOTA HB7152

Product description

HB7152 is hydrophobic fumed silica which is produced by HL7200 after chemical post-treatment with DDS ( Dimethyldichlorosilane ).

Specification	IOTA HB7152
Specific sunface area(BET), ㎡/g	200±20
pH value in 4% dispersion	3.7～4.5
Loss on drying(2 hours at 105℃), %	≤0.7
Loss on ignition(2 hours at 1000℃ based on material dried for 2 hours at 105℃), %	≤2.5
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), %	0.8～1.6

Applications 

RTV silicone rubber,especially RTV-T

Adhesives & Sealants

Coatings & Printing ink

Powder Coating

Properties

Good hydrohpobicity, thixotropy, thickening, transparency and reinforcement performance

Anti-settling and anti-sagging agent

Free flow aid and anti-caking aid for powders

Thixotropy and reinforcement in RTV silicone sealants, the hydrophobic feature gives RTV silicone sealants a long shelf-life 

Package

White kraft paper bag, 10KG/Bag