Hydrophilic Fumed Silica 150

Hydrophilic Fumed Silica 150

Fumed Silica 150 is hydrophilic fumed silica with a specific surface area around 150㎡ /g, mainly is applied in HTV and RTV Silicone rubber, adhesives and sealants, coatings and paintings
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Product Details

Characteristics
Fumed silica 150 is hydrophilic fumed silica with a specific surface area around 150㎡ /g.
Applications 
HTV and RTV Silicone rubber
Adhesives and Sealants
Coatings and Paintings
Properties
Reinforcing filler in elastomers
Rheology control and thixotropic agent
Anti-settling,anti-sagging and thickening agent
Free flow aid and anti-caking aid for powders
Physical & Chemical Data
 

Properties

Unit

Typical Value

Testing Method

Specific Surface Area(BET)

m2/g

150±15

GB/T 20020

pH value in 4% dispersion

3.9~4.5

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℃)

%

≤2.0

GB/T 20020

Sieve Residue(45μm)

mg/kg

≤250

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

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