Water Glass Precision Casting
Water glass precision casting is widely used in the machinery industry for grinding wheel manufacturing and metal corrosion protection.
In the 1950s, the carbon dioxide blowing process of Water glass was widely used. This process has high addition amount of water glass, poor collapsibility, old sand cannot be reused, waste of silica sand resources, a large amount of solid waste is discharged, and the ecological environment is damaged. face elimination.
A new type of ester-hardened water glass no-hardening sand was launched in 1999. The amount of water glass added is 1.8-3.0%. It has high strength and good collapsibility. The old sand can be recycled and reused. The recycling rate is 80-90%. It can be used in mechanized molding production lines, and can also be used for single-piece small batch production. It can produce various castings ranging from several kilograms to several hundred tons, and has been popularized and applied in dozens of enterprises in railway vehicles, metallurgical machinery, heavy machinery, mining machinery and general machinery factories. The new type of water glass is known as a green and environmentally friendly casting binder in line with sustainable development.
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