Silica Fume Densified ASTM C 1240 SF85-SF97 manufacturer from China Gansu lixinyuan microsilica co.,ltd

Product Detail

Model No.: SF85-SF97

Production Capacity: 4000tons per month

Delivery Date: 20days

color: gray

brand: lixinyuan

Means of Transport: Ocean

Packing: 950 Plastic woven bag with ...

Brand Name: lixinyuan

origin: gansu

model: SF85-97

SiO2 ≥85(85%-97%) undensified and densified microsilica /silica fume ,used in concrete and refractory production
Increase durability

Existing form: Amorphism thin powder

Typical color: Brown (white in nature, the color is become darker with the density accretion)

B.E.T Fineness: 15-27m2/g

Density: 600-700kg/m3

Pozzolanic activity index: 85% of 28days ; 105% of 7days

Water requirement ratio: less than 125%

Ratained on 45 micron sieve: less than 8%

Moisture: less than 3%

Loss on Ignition: less than 3%