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HSChapter 70
U.S. imports of chemically bonded glass mats (HS 701915) totaled $6.6M in July 2026, traded with 20 countries.
Importers of Chemically Bonded Glass Mats paid $729K in duties in July 2026 — an effective duty rate of 27% on $2.7M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataChemically bonded glass mats — produced by binding randomly oriented glass fibers with resin or binder systems — are a staple reinforcement in roofing shingles, gypsum wallboard facings, and boat hull laminates. All imports enter under a single tariff line, 7019150000. Canada leads US supply, reflecting integrated North American building-products supply chains, with China and Mexico also significant sources.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
319 shipments/mo
A manufacturer's product data sheet or process certification identifying the binder system (e.g., urea-formaldehyde, acrylic, or polyester resin) is the most reliable supporting document. Customs may also request a technical specification sheet showing tensile strength and binder content, as these parameters are characteristic of chemically bonded construction.
Canada's leadership reflects tightly integrated North American building-products manufacturing, where Canadian producers supply US roofing and wallboard manufacturers under just-in-time logistics. USMCA preferential treatment further supports cross-border sourcing economics compared with suppliers from outside the free-trade zone.
Subheading 6 of 18 in heading 7019
Subheading 701915 · $6.6M of $140.0M
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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 |
|---|---|---|---|---|---|
| 7019150000 | Glass Mats, Chemically Bonded | $5.7M | 10.75% | 39.24% | $618K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 7019150000 | Glass Mats, Chemically Bonded | $4.6M |
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.
ImportsExports
Imports
$6.6MYoY · Pro
Exports
$4.6MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Canada and China together supply 64% of it.
customs district
destination
entry
rate provision · imports
59.4% enters free of duty; the effective duty rate is 11.10%.