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发布时间:2019-08-13 00:00:00
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HB-132

HB-132 is hydrophobic fumed silica which is produced by HL-200 after chemical post-treatment with HMDS (Hexamethyldisilazane).
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Product description

Characteristics

HB-132 is hydrophobic fumed silica which is produced by HL-200 after chemical post-treatment with HMDS (Hexamethyldisilazane).

 

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

 

Physical & Chemical Data

Properties Unit Typical Value Testing Method
pH value in 4% dispersion (H2O:Ethanol=1:1) - 7.0~8.5 GB/T 20020
Loss on drying(2 hours at 105℃) % ≤0.5 GB/T 20020
Loss on ignition(2 hours at 1000℃ based on material dried for 2 hours at 105℃) % ≤4.0 GB/T 20020
Silica Content(Based on ignited material) % ≥99.8 GB/T 20020
Tamped Density(Based on material dried at 105℃ for 2 hours) g/dm² 40~60 GB/T 20020
Carbon Content (Based on material dried at 105℃ for 2 hours) % 2.5~4.0 GB/T 20020

 

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