Industrial Kiln Ceramic Insulator Tubes from Japan
High-temperature alumina tubes insulating heating element wires in electric kilns and furnaces (up to 1700°C). Provides electrical isolation in oxidizing atmospheres. Classified 8546.20.00.90 as other ceramic electrical insulators.
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
• Specify maximum use temperature and thermal expansion coefficient for kiln compatibility
• Include element wire diameter accommodation and end flare dimensions