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Surface roughness comparison of silica sol, compound mold and water glass lost wax investment casting


We will show photos to compare the surface finish roughness quality of three main lost wax investment casting processes, by silica sol, compound mold and water glass molding materials.

The following photo is showing the surface quality of silica sol investment castings. Its surface finish roughness could reach Ra 3.2-6.3, the dimensional tolerance could be CT4-CT6:

The following photo is showing the surface quality of compound mold investment castings. Its surface finish roughness could reach Ra 6.3-12.5, the dimensional tolerance could be CT5-CT7:

The following photo is showing the surface quality of water glass investment castings. Its surface finish roughness could reach Ra 12.5, the dimensional tolerance could be CT6-CT8:

As for their production costs and casting prices, please contact our Dandong Foundry, we will quote for your casting parts, or give you some price estimation.

 

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