At present, the main varieties of commercial coated sand in China
It consists of quartz sand, thermoplastic phenolic resin, urotropine and calcium stearate without relevant additives.Suitable for the production of general cast iron parts.
After the four stages of dry mixing method, cold film covering method, warm film mulching method and hot film covering method, at present, the production of film covering sand is almost all using hot film covering method.
Waffless casting method
Lost wax method (lost wax method), or lost wax casting method, was a production process in ancient China.
Precision ast wax is mainly used in aviation industry, civil precision casting, and is also widely used in ships, automobiles, telecommunications machinery, machine tools and other industries.
Factors of the cost of casting sand casting
There are many factors affecting the cost of sand casting.Here we list a number of the main factors, and hope that this information can help cast customers.
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