Zircwash is far superior to Zircon (Zirconium Silicate) coatings for melting/casting operations because it contains no silica. It is a water-based paint that yields a low-to-medium-hardness coating that is 97% Zirconium Oxide and 3% Aluminum Oxide after heating to above 600°C (1112°F). Easy-to-use coating that can be used to 2000°C (3632°F).
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