HS Code 9902.14.70

Official Classification

Catalytic converter needled blanket mats of ceramic fibers, containing over 65 percent by weight of aluminum oxide and not over 3 percent of acrylic latex organic binder, of a basis weight greater than or equal to 1745 g/m2, measuring 10.0 mm or more in thickness; the foregoing presented in bulk, sheets or rolls, designed for use in motor vehicles of heading 8703 (provided for in subheading 6806.10.00).