Modified sodium silicate

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I: Features of new modified sodium silicate:           1. To solve the problem of used sand recovery: the recovery rate can reach more than 90%, and to solve the problems of environmental protection and waste caused by emitting of used sand; 2. To solve the problem of cleaning sand: the collapsibility of molding sand at middle and low temperature is better than that of resin sand; 3. To solve environmental protection problems: non-toxic, tasteless, no organic gas emission, no solid waste emission (except dust), no pollution to the environment; 4. To solve the problem of moisture absorption: high collapsibility water-glass has the property of moisture resistance, which can avoid the defects of sand model and casting parts caused by the moisture absorption of molding sand; 5. To solve the production efficiency problem: the fast sodium silicate has a fast producing capacity, which is nearly 50% higher than the traditional modified sodium silicate. 6. To solve the production cost problem: to reduce the customer’s molding sand cost by another 20-50%. This product is applicable to all kinds of carbon steel, ductile iron, alloy steel, high manganese steel, aluminum alloy and various non-ferrous metals. Casting covers metallurgy, mining, railway,automobile, military, engineering machinery, heavy industry, pump valve and multiple industries. II: Method of usage: Process formula: The original sand: 100% Sodiumsilicate: small and medium parts 2.2-2.6%; Medium andlarge parts 2.4-3.0%( proportion of sand weight) Curing agent: 15-18% (proportion ofsodium silicate weight) San

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