Industrial raw material includes all kinds of material using in industry. Just like cement, cenosphere etc.

Alumina cement




Specification:
Fineness:remains on 0.080 square hole sieve ≤ 10%;
Setting time:initial time of setting is not less than 40 min,final time of setting is not more than 10 hours.

Chemical Composition:


AL2O3 CaO(%) SiO2(%) Fe2O3(%)
52-56 32-35 ≤10 ≤ 3



Type Compressive strength ≥ Bending strength ≥
1 day 3 day 1 day 3 day
425# 35.3 41.7 3.9 4.4
525# 45.1 51.5 4.9 5.4
625# 54.9 61.3 5.9 6.4
725# 64.7 71.1 6.9 7.4