Aromatic Polyol Retarder for High-Performance Concrete from Canada
Sugar-derived polyol retarder with aromatic modifiers (>5%) extending concrete setting time for hot weather pours. Under 3824.40.10.00 for aromatic concrete additives. Allows large continuous placements without cold joints.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include dosage curves and compatibility data; test for efflorescence risk
• Label clearly as 'use prior to mixing' to affirm additive status