Carolina Ball Clay from Japan
Carolina ball clay from North Carolina is valued for electrical porcelain insulators due to its high fired strength and low electrical conductivity. Falls under HTS 2508.40.0110 as ball clay, uncalcined and suitable for high-voltage ceramics.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Electrical grade requires dielectric strength certification
• Avoid contamination during transshipment; purity critical for end-use
• Not to be confused with bentonite (HTS 2508.10) despite some swelling