Silica Sol Casting Lost Foam Casting Water Glass Casting Shell Mold Casting Lost Wax Investment Casting

Silica Sol Casting

Silica Sol Investment Casting is a form of investment casting. The process is very similar except that the investment mould is made from silica sol zircon sand mixed with refractory powder. Silica sol zircon sand is exceptionally fine-grained (10-20 Microns) and can be mixed to a slurry with very low viscosity when creating the mould. The result is a casting method that delivers dimensionally accurate castings with excellent as-cast surface finishes. Crucially, the silica sol zircon mould can withstand temperatures up to 2000°C, making them very useful when casting high temperature alloy steels and stainless steels.

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Process	Silica sol Casting (Green Wax)
Mold	General Aluminum Mold & Steel Mold
Mold Material	Middle Temperature Wax
Mold Shell	Silica sol, Mullite Sand, Zircon Sand
Technology Characteristics	Suitable for producing small parts. Better precision. Better surface roughness. Can large extent reduce machining.
Tolerance Range	CT5 to CT6
Single Weight	0.01kgs to 30kgs
Surface Roughness	RA6.3
Casting Material Type	Carbon Steel, Alloy Steel, Stainless Steel, Ductile Iron.
Common Material Specification	GB, ASTM,SAE,AISI,DIN,BS,JIS,NF,EN,AAR,ISO
Product application field	Automobile, Engineering Machinery, Railway, Marine, Agricultural Machinery, Mining and other industrial fields
Advantages& disadvantages	Environmental protection, surface roughness is better than RA6.3, but the price is 1.0-2.0 yuan /KG higher than sodium silicate