Chemically Bonded Fiberglass Insulation Mat
A non-woven mat made from chemically bonded glass fibers, used for thermal and acoustic insulation in walls and attics. It falls under HTS 7019.72.40 as it is an other closed chemically bonded fabric of glass fibers that is not colored. The structure provides strength without weaving, suitable for construction applications.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If mechanically woven instead of chemically bonded
Woven fabrics of glass fibers are classified separately in 7019.40, regardless of bonding method.
If silica content below 60% without required oxide levels
Glass wool not meeting Chapter 70 specifications for silica or oxides falls under heading 6806 as other mineral wools.
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Import Tips & Compliance
• Verify the chemical bonding process and ensure fiber composition meets glass wool definitions if applicable; obtain mill test reports for fiber content
• Common pitfall: misclassifying as woven fabric under 7019.40
• Check for any color additives to confirm 'not colored' status
Related Products under HTS 7019.72.40
Non-Woven Glass Fiber Filter Media Sheet
A chemically bonded, closed-weave style non-woven sheet of uncolored glass fibers designed for air and liquid filtration systems. Classified under HTS 7019.72.40 for other not colored chemically bonded glass fiber fabrics. Provides high efficiency filtration due to its fibrous structure.
Glass Fiber Veil for Composite Reinforcement
A lightweight, chemically bonded non-woven veil of continuous uncolored glass filaments used as surface reinforcement in composite laminates. Fits HTS 7019.72.40 as other not colored closed chemically bonded glass fiber fabric. Enhances surface finish and resin compatibility in FRP production.
Uncolored Chemically Bonded Glass Mat for Roofing
Chemically bonded non-woven glass fiber mat used as reinforcement in asphalt shingles and roofing felts, not colored. HTS 7019.72.40 covers this other closed fabric of glass fibers. Provides dimensional stability and tear resistance.
Fiberglass Battery Separator Fabric
Thin, chemically bonded non-woven fabric of uncolored glass microfibers serving as separators in lead-acid batteries. Classified in HTS 7019.72.40 for other not colored chemically bonded glass fiber closed fabrics. Ensures electrolyte flow and prevents short circuits.
Non-Woven Glass Fiber Surfacing Veil
Chemically bonded veil of fine uncolored glass fibers applied as a surfacing layer in pultrusion and resin transfer molding processes. HTS 7019.72.40 applies to this other closed fabric type. Improves aesthetics and corrosion resistance in composites.
Glass Microfiber Paper Substitute Mat
High-porosity chemically bonded mat of uncolored glass microfibers mimicking filter paper for lab and industrial uses. Falls under HTS 7019.72.40 as other not colored chemically bonded fabric. Offers superior chemical resistance.