Investment Casting querry - Can you help?

From: Trident Steels (
Date: Thu May 01 2003 - 10:59:56 EEST


We are manufacturers of investment castings. We use 30% colloidal
silica as the binder in our slurries. Could anyone inform us about
any additives/polymers to be added to the colloidal silca based
prime coat to enhance the surface finish on the castings? Thanking
you in advance,

Trident Steels.

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