Kaolin-Based Plastic Refractory Clay from Japan
Plastic refractory clay made from kaolin with plasticizers for forming dense linings in boilers and incinerators. It qualifies under HTS 3816.00.20.10 as a clay refractory mortar/concrete composition for high-heat resistance.
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
• Conduct XRF analysis to document kaolin clay as primary constituent over 40%
• Label as 'plastic refractory' with working temperature range to distinguish from pottery clay