Fused Mullite-Grade Alumina from China
Synthetic aluminum oxide with controlled mullite formation for investment casting shells. HTS 2818.20.00.00 for aluminum oxide other than artificial corundum.
Duty Rate — China → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• ,Classify powder form; shell molds may go to Chapter 68 or 69
• Confirm no intentional corundum crystallization in production specs