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3505.10.00.15/Cross-Linked Potato Starch for Drilling Fluids/Japan

Cross-Linked Potato Starch for Drilling Fluids from Japan

Chemically cross-linked potato starch for oilfield drilling mud viscosifiers, HTS 3505.10.0015. High temperature stability. Industrial oil/gas application.

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 specifications documentation for oilfield acceptance

• Hazard class as non-DG but dusty irritant

• End-use declaration prevents chem prep confusion