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Supply Fumed Silica HB215

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Product/Service: Fumed Silica HB215  
Unit Price: Negotiating  Inquiry
The min order:  
Total Supply:
Delivery Expiry: Delivery within 3 days after payment from buyer
Validity Period: Longterm Validity
Last Update: 2014-05-22
Browse: 1786
Basic Info of Company
Product detailed description

Silica HL215, hydrophobic fumed silica
specific surface area: 150m2/g.
white colloidal powder
high purity: >99.8%

Fumed Silica HB215



HB-215 is hydrophobic fumed silica after treated with DDS (Dimethyldichlorosilane) based on a hydrophilic fumed silica with a specific surface area of 150 m²/g. It’s a kind of high purity white colloidal powder.


Paints and coatings

Unsaturated polyester resins, laminated resins and gel coats

Elastomers, especially HTV and RTV Silicone rubber

Adhesives and sealants

Printing inks

Cable compounds

Plant protection

Food and Cosmetics


Reinforcement filler in elastomers

Rheology and thixotrophy control of liquid systems, binders, polymers. Etc

Used as anti-settling, thickening, anti-sagging agent

Improvement of free flow and anti-caking characteristics of powders

High transparency

Physicochemical Data:



Typical Value


Specific surface area (BET)


120 ±15

GB/T 10722

PH-value in 4% dispersion



GB/T 1717

Loss on drying (2h@105°C)




Loss on ignition(2h @1000 °C,based on material dried for 2h@105°C)



GB/T 20020

Sieve residue(45 μm)



GB/T 5211.14

Silica content (based on ignited material)



GB/T 20020

Tamped density(based on ignited material)



GB/T 5211.4

Carbon content (based on material dried for 2h @105°C)



GB/T 20020

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