9902.14.69
Polycrystalline fibers containing by weight over 70 percent of alumina and less than 30 percent of silica, the foregoing containing no alkaline oxides or boric oxide, presented in bulk (provided for in subheading 6806.10.00)
Duty rates
- General (MFN)
- Free
- Special programs
- No change
- Column 2 (non-MFN)
- No change
“General” applies to imports from most trading partners under normal trade relations. “Special” lists products eligible for reduced or duty-free treatment under programs like GSP, USMCA, CAFTA-DR, or individual free-trade agreements. “Column 2” applies to imports from countries without normal trade relations (currently Cuba and North Korea).
Chapter 99
Temporary legislation; temporary modifications (Section XXII — Special classification and temporary provisions)