Product description
HB7630 is hydrophobic fumed silica which is produced by HL7380 after chemical post-treatment with HMDS (Hexamethyldisilazane).
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Specification
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IOTA HB7630
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Specific sunface area(BET), ㎡/g
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380±30
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pH value in 4% dispersion
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5.5～8.0
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Loss on drying(2 hours at 105℃), %
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≤0.5
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Loss on ignition(2 hours at 1000℃ based on material dried for 2 hours at 105℃), %
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≤4.0
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Silica Content(Based on ignited material), %
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≥99.8
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Tamped Density(Based on material dried at 105℃ for 2 hours), g/L
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40～60
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Carbon Content (Based on material dried at 105℃ for 2 hours), %
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2.5～4.0
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Applications
Elastomers, HTV silicone rubber and LSR
Coatings & printings ink
Defoamer
Carbon Powder for Printer
Properties
High reinforcement and transparency in HTV and LSR
High hydrophobicity and stable thixotropy
Anti-settling and anti-sagging agent in coatings and printing ink
High anti-foam property
Free flow aid and anti-caking aid for powders
Package
White kraft paper bag, 10KG/Bag
