3827.69.00.00/R-134a Replacement Blend ISCEON MO99/China

R-134a Replacement Blend ISCEON MO99 from China

ISCEON MO99 is an HFC/HFO blend (R-448A variant) replacing R-134a in chillers and automotive AC, containing HFCs without CFCs/HCFCs. Classified under HTS 3827.69.00.00 for such mixtures. Offers lower GWP for retrofits.

Duty Rate — China → United States

38.7%

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

9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

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Import Tips

• Provide retrofit compatibility certificates; common issue is oil miscibility testing not documented

• Label with exact HFO/HFC ratios as HFOs may trigger separate regulations under 2903 if predominant

• Use temperature-compensated filling scales for accurate charge weights during customs weigh-in