High-Magnesia Carbon Kiln Blocks from Japan
Heavy-duty blocks exceeding 70% magnesia with controlled carbon under 30%, resin-bonded for cement kiln transition zones. They withstand abrasion and alkali attack. Fits HTS 6810.11.00.10 for building block form and composition.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Obtain supplier's material safety data sheets (MSDS) detailing MgO, carbon, and binder for customs
• Use ISPM-15 compliant pallets for wood packaging to prevent quarantine issues
• Avoid declaring as 'artificial stone tiles' which shifts to different 6810 subheadings