Atmospheric Diffuser Washer from Mexico
Diffuser system operating at atmospheric pressure to displace black liquor from brownstock pulp using countercurrent washing. Improves pulp cleanliness for cellulosic fiber processing. HTS 8439.10.00 covers this pulp purification machinery.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Provide displacement efficiency data (95%+ liquor removal) for technical validation
• Specify screen slot size (0.15-0.25mm) critical for pulp fiber retention
• Include non-pressurized design certification to distinguish from vacuum washers