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Product Name

HB-630

HB-630 is hydrophobic fumed silica which is produced by HL-380 after chemical post-treatment with HMDS (Hexamethyldisilazane).
Affiliate classification
Product description
Characteristics

HB-630 is hydrophobic fumed silica which is  produced by HL-380 after chemical post-treatment with HMDS (Hexamethyldisilazane). 

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 coatingand printing ink  

High anti-foam property   

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)

 

5.58.0

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 DensityBased on material dried at 105℃ for 2 hours

g/dm³

4060

GB/T 20020

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

%

2.54.0

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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