Phosphate-Bonded Refractory Mortar from China

A ready-to-use refractory mortar with monoaluminum phosphate binder and alumina aggregates for jointing firebricks. Classified in HTS 3816.00.20.50 as other refractory mortars, suitable for boiler and incinerator repairs up to 1650°C. Offers strong adhesion and acid resistance.

Duty Rate — China → United States

38%

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)

Import Tips

SDS mandatory for phosphate content; check TSCA registration for binders

Label as 'heat-set mortar (>1400°C)' to differentiate from construction mortars