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HSChapter 70
U.S. imports of low-expansion coefficient table & kitchen glassware (HS 701342) totaled $6.1M in July 2026, traded with 20 countries.
Importers of Low-Expansion Coefficient Table & Kitchen Glassware paid $1.4M in duties in July 2026 — an effective duty rate of 24% on $5.8M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataDefined by a linear coefficient of thermal expansion not exceeding 5×10⁻⁶ per Kelvin across 0–300°C, this heading captures borosilicate-type kitchen and table glassware — the technical specification that underpins brands like Pyrex and similar heat-resistant cookware. China is the leading supplier, but Portugal is a notable second-ranked source, reflecting the presence of major European borosilicate glass manufacturers with significant US export programs. The schedule separates pressed-and-toughened articles (7013421000) from other pieces, then stratifies the remainder by unit value across three bands.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
645 shipments/mo
Classification under 7013.42 requires demonstrating that the glass has a linear coefficient of thermal expansion not exceeding 5×10⁻⁶ per Kelvin in the 0–300°C range. Importers should obtain a manufacturer's material specification sheet or third-party laboratory test report confirming this property. Without such documentation, CBP may reclassify the goods under the residual 7013.49 heading.
The pressed-and-toughened subheading (7013421000) is a distinct 10-digit line with its own rate, separate from the value-banded lines for other low-expansion kitchen glassware. Importers should verify the manufacturing process — pressing followed by thermal toughening — is accurately described on entry documentation, as the duty rate may differ from the value-band lines.
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Subheading 5 of 10 in heading 7013
Subheading 701342 · $6.1M of $116.5M
ImportsExports
Imports
$6.1MYoY · Pro
Exports
$207KYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 7013421000 | Glswr Prssd & Tghnd Coef of Expns Lt=5x10^-6/K Etc | $3.0M | 21.98% | 97.85% | $661K |
| 7013424000 | Kitch Glswr W Lin Coef Nov 5x10-6 Nes Ov $5 Each | $1.1M | 16.98% | 85.27% | $192K |
| 7013422000 | Kitch Glswr W Lin Coef Nov 5x10-6 Nes Nt Ov $3 Eac | $1.0M | 38.21% | 98.81% | $390K |
| 7013423000 | Kitch Glswr W Lin Coef Nov 5x10-6 Nes $3-5 Each | $925K | 15.84% | 98.73% | $147K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 7013420000 | Hh Glswr Nt Drnk Gls Lnr Coef Exp Nov 5x/-6/Kv Etc | $207K |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
Imports · July 2026
origin
China and Korea, South together supply 86% of it.
customs district
destination
entry
rate provision · imports
1.2% enters free of duty; the effective duty rate is 22.84%.