What are the binders for amorphous refractories?

The amorphous refractory material is not fired at a high temperature before use, and the particles can only be bonded to the whole by the action of the bonding agent, so that the structure or the product has a certain strength.

2. Requirements for adhesives for amorphous refractories
1. Good coagulation and hardening characteristics to meet the construction use strength;
2. Good dispersing performance, good wettability, maximum contact with the surface of granular and powdery materials, and improved density of materials;
3. Good volume stability during hardening and high fire resistance;
4. No other harmful effects;
3. Classification of binders
1. Classification by chemical properties: organic and inorganic binders;
Inorganic binder: silicates: calcium silicate cement, water glass, combined clay, etc.;
Aluminate: calcium aluminate cement;
Phosphate: aluminum dihydrogen phosphate, sodium tripolyphosphate, sodium hexametaphosphate;
Sulfate: magnesium sulfate;
Sols: silica sol, aluminum sol;
Organic binder: natural: starch, lake essence, asphalt;
Synthetic: phenolic resin;

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