Basalt Fiber Yarn from Japan
Continuous filament yarn spun from molten basalt rock, used in construction and automotive composites. HTS 7019.13.35.00 includes this as 'other' glass-like fiber yarn per fused silica definition. Offers natural alkali resistance.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Prove molten rock origin via geological certification vs. synthetic glass confusion
• Test for fused silica equivalence per Chapter 70 note on 'glass' definition
• Declare environmental advantages only after chemical composition verification