CMC Technical Grade FH9 from Japan
Fast hydration technical grade FH9 CMC for oil drilling muds and ceramics. HTS 3912.31.00 for this unmodified carboxymethylcellulose salt powder.
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
• API 13A certification required for oilfield use; declare filtration control properties; check for PAC substitution risks