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Fused Quartz Bulb Envelope from Japan

A high-purity fused quartz open bulb envelope used in UV lamps and high-temperature light sources. Classified under HTS 7011.90.00.00 as an open glass envelope for electric lamps without fittings. Fused quartz qualifies as glass per chapter notes.

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%

Import Tips

Verify fused silica purity meets chapter definition of 'glass' including fused quartz

Provide manufacturer specs confirming open design without fittings or attachments

Avoid misclassification as finished lamps by ensuring no electrical components included