Precoated sand
EXW Price:
Tons
US $93.00
1 + Tons
Coated sand. Molding sand or core sand with a solid resin film covering the surface of the sand before molding. There are two kinds of cold and hot laminating process: cold method with ethanol to dissolve the resin, and in the process of mixing sand to add urotropine, so that the two coated on the surface of sand, ethanol volatilization, coated sand; The sand is preheated to a certain temperature by hot method, and the resin is added to melt it, and the resin is coated on the surface of the sand by stirring, and the water solution of urotropium and lubricant are added to cool, break and screen the coated sand. Used for casting steel and cast iron.
Lingshou County Huajing Mica Co. , Ltd.
- Phone: +86 0311-82564146
- Business Type: Manufacturer
- Location: China
- Main Products: Dry Mica powder, wet mica powder, phlogopite powder, natural color Mica, pearlescent Mica series more than 20 varieties
- Total Employees:100-500 people
- Year Established:1995
- Export Markets:
- Total Annual Revenue:
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