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3912.31.00/CMC Technical Grade FH9/Japan

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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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Import Tips

• API 13A certification required for oilfield use; declare filtration control properties; check for PAC substitution risks