Pulp Refiner Roll Bar from Japan
Stainless steel roll bar used in pulp refiners to mechanically treat and fibrillate cellulosic stock for improved paper quality. Classified under HTS 8439.91.10.00 as a stock-treating part for fibrous cellulosic pulp machinery.
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%
Import Tips
• Label with precise dimensions and material composition (e.g
• SS316) to meet metallurgical documentation requirements
• Obtain supplier declaration confirming use in pulp stock preparation, not finishing stages
• Avoid pitfalls by distinguishing from grooved rolls for paper calendering, which go elsewhere