Basalt Fiber Acoustic Insulation Boards from Germany
Boards spun from melted basalt rock (similar to rock wool) for soundproofing theaters and home theaters. Natural mineral fibers provide excellent acoustic absorption without chemical binders. Classified as rock wool equivalent under HTS 6806.10.00.10 for acoustical pads.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Include fiber diameter specs (4-10 microns typical) to confirm mineral wool classification
• Test for shot content (<10%) as high shot may trigger quality rejections
• Label 'non-combustible' per ASTM E136 for fire marshal approvals