Refractory Materials are usually non-metallic materials having those chemical and physical properties that make them applicable for structures, or as components of systems, that are exposed to environments above 1,000 °F (811 K; 538 °C)。

Soda




Application:
widely used in manufacture of chemicals and metallurgy, medicine, petroleum, hides processing, textile, printing and dyeing, foodstuff, photograph, glass, enamel and paper industry, etc. as well as for purification of water.
Specific Property:
White powder or fine crystals.
Soda ash dense

Quality Index:
Total alkali content:99.2% min
Chlorides(NaCl):0.7% max??
Sulphate(SO4):0.03% max
Iron(Fe2O3):0.004% max
Water insoluble matter:0.04% max?
Ignition loss:0.80% max
Bulk Density:0.9g/ml min??
Particle size l80μm Sieve Remaining:70.0% min

Soda ash light

Total alkali content:99.2% min
Chlorides(NaCl):0.7% max
Iron(Fe2O3):0.004% max
Water insoluble matter:0.04% max