High Purity Mullite for Investment Casting from United States
> High purity mullite for investment casting is specially graded to provide thermal stability and low thermal expansion in casting shells. It is a processed mullite earth used in industrial refractory applications. This product is classified under tariff item 2508.60.00 as mullite.
Duty Rate — United States → Canada
0%
Import Tips
• > Ensure the product is not mixed with other materials that could classify it as a preparation
• Provide a technical data sheet showing mullite phase purity and particle size