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8540.91.50.00/Picture Tube Base Glass Seal/Japan

Picture Tube Base Glass Seal from Japan

Fused glass-to-metal seal that hermetically connects the CRT base pins to the glass envelope while maintaining vacuum integrity. Custom frit composition for thermal matching. Classified 8540.91.50.00.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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Import Tips

• Provide frit composition analysis; test for helium leak rates; document Kovar pin material specs