Unexpanded Perlite Rock from China
Crude perlite ore in loose rock or granular form, unheated and unexpanded, directly from volcanic deposits. Falls under HTS 2530.10.00.00 as unexpanded perlite, a lightweight siliceous mineral used in filtration, insulation, and horticulture after expansion.
Duty Rate — China → United States
35%
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
• Include assay reports showing amorphous silica content >70% to confirm perlite classification
• Declare as unexpanded to avoid duties on expanded forms; inspect shipments for accidental pre-heating
• Comply with EPA regulations if trace asbestos is present in natural deposits