Chip Presteaming Bin from Mexico
Vessel that heats wood chips with low-pressure steam to soften fibers and remove air before pulping, enhancing impregnation efficiency. Essential first step in chemical pulp production from cellulosic material. Under HTS 8439.10.00 for pulp-making machinery.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Document steam pressure (0.5-1.0 bar) and residence time (10-20 minutes)
• Include chip metering screw specifications for feed rate control
• Specify insulation thickness for energy efficiency compliance