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Product Name

HB-139

HB-139 is hydrophobic fumed silica which is produced by HL-200 after chemical post-treatment with PMDS (Polydimethylsiloxane).
Affiliate classification
Product description
Characteristics
HB-139 is hydrophobic fumed silica which is produced by HL-200 after chemical post-treatment with PMDS (Polydimethylsiloxane). 
Applications 
Silicone rubber                      
Coatings and printing ink
Adhesives and Sealants       
Greases and cable gel
Unsaturated resin                
Powders
Properties
Good thickening and thixotropy property
Good anti-sagging properties and excellent stability in epoxy resin
Excellent reinforcing properties in silicone rubber especially at high filler loading levels and no crepe hardening on aging
Good transparency performance
Free-flow property for water-proof material and powders
Physical & Chemical Data
 

Properties

Unit

Typical Value

Testing Method

pH value in 4% dispersion

(H2O:Ethanol=1:1)

 

5.5~7.5

GB/T 20020

Loss on drying(2 hours at 105℃)

%

≤1.5

GB/T 20020

Loss on ignition(2 hours at 1000℃ based on material dried for 2 hours at 105℃)

%

≤10

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/dm³

40~60

GB/T 20020

Carbon Content (Based on material dried at 105℃ for 2 hours)

%

4.5~6.5

GB/T 20020

 

 

Corresponding parameter set not found, please add it in property template of background
暂未实现,敬请期待
暂未实现,敬请期待
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