Multiple equipment and instruments to inspect raw material with the following capabilities:
1. Dropping point, softening point, penetration idex, ash content, etc. of wax;
2. SiO2 content, Na2O content, PH value, viscosity, average particle size, gelling performance etc. of silica sol;
3. The particle size, magnetic substance content, radioactive substance content, and burn reduction of refractory powder and sand;
4. The chemical composition and nuclear radiation of steel and alloy.