Silica Fume 200 With Cas No 7631-86-9
Silica Fume is a gray-colored powder whose main components are silica and calcium dioxide.
Description
Description
Good fireproof performance: Silica Fume can prevent buildings from burning or being damaged in a fire.
Good durability: Silica Fume used in buildings can enhance the structural strength and durability of buildings and prolong the service life of buildings.
Good moisture retention: Silica Fume can regulate indoor humidity, prevent the growth of moisture and mold, and improve air quality.
Specification
Silica Fume information
|
Appearance |
White powder |
Compliance index |
|
Specific surface area of nitrogen adsorption m²/g |
200±10 |
200 |
|
Sio2- content |
>99.8 |
99.9% |
|
Ph |
3.7-4.5 |
4.19 |
|
Volatile matter % at 105 ºC |
≤3.0 |
0.82 |
|
Tamping density g/dm³ |
30-60 |
31 |
|
Sieve residue(45μm) mg/kg |
≤250 |
19.93 |
Concrete Additive: Silica Fume is a commonly used concrete additive to enhance the strength and durability of concrete.
Cement production: Silica Fume can be used in cement production to increase the strength and add durability of cement.
FAQ
Q: How about your delivery time?
A: Normally it's 7-15days after receipt of deposit. Large quantity needs to be negotiated.
Q: Shipping Method
A: By international express(DHL,FEDEX,TNT or others) / by sea / by air
Q: What is your principle for the samples ?
A: FREE SAMPLES(<1kg) for you if you are willing to pay the shipping cost.
Q: Which payment can be acceptable ?
A: By T/T, L/C, Western Union, Paypal and so on.
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