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Weld Backing Flux Tape from Canada

Adhesive tape impregnated with ceramic flux for root pass backing in pipe welding. HTS 3810.90.5000 includes this innovative welding auxiliary preparation, providing gas shielding without purging. Dissipates completely post-weld.

Duty Rate — Canada → United States

15%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Burn-off temperature curve confirms welding auxiliary status

Adhesive carrier specs avoid plastic tape reclassification

Pipe diameter compatibility range for pipeline application validation