Atmospheric Diffuser Washer from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 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