Key facts
- HS subheading
- 7002.31
- Duty (MFN)
- Free
- National lines
- 1
- Tariff
- United States
- Chapter
- 70: Glass and glassware
Summary
The United States tariff splits HS 7002.31 (tubes: Of fused quartz or other fused silica) into 1 national line: 7002.31.00.00 (of fused quartz or other fused silica). Every United States line under 7002.31 is free of general (MFN) duty.
United States lines under 7002.31
The United States tariff splits HS 7002.31 (tubes: Of fused quartz or other fused silica) into 1 national line: 7002.31.00.00 (of fused quartz or other fused silica).
Every United States line under 7002.31 is free of general (MFN) duty.
- 7002.31.00.00Of fused quartz or other fused silicaDuty: Free
In other countries
No other national tariff on border.bot has live lines under 7002.31 yet.
Frequently asked questions
How many national tariff lines does the United States tariff have under HS 7002.31?
The United States tariff splits HS 7002.31 (tubes: Of fused quartz or other fused silica) into 1 national line: 7002.31.00.00 (of fused quartz or other fused silica).
What is the duty on HS 7002.31 in the United States?
Every United States line under 7002.31 is free of general (MFN) duty.
Sources and updates
The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
This page was last updated on 9 October 2026.
Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.
Official source files: