Uncolored S-Glass Plain Weave Fabric for Aerospace Composites
High-strength S-glass fiber fabric in plain weave, mechanically bonded without coating, used for aerospace structural composites. Classified under HTS 7019.63.40.60 as other closed woven plain weave fabrics of uncolored yarns, not for electrical use. Provides lightweight reinforcement in aircraft components.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If open weave rather than closed weave
Open woven fabrics of glass fibers classify under 7019.62, differentiated by weave density and openness.
If other than plain weave (e.g., twill or satin weave)
Non-plain weaves fall into 'other' fabric subheadings within 7019.63 or 7019.59 series.
If sold as prefabricated panels or shapes
Glass fiber panels or shaped articles classify under 6808 as worked articles, not fabrics.
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Import Tips & Compliance
• Document S-glass chemical composition (high silica content) and mechanical bonding process to distinguish from knitted types
• Include end-use declarations but note classification based on objective characteristics, not declared application
• Avoid pitfall of classifying as 7019.62 if open weave; measure thread count to confirm closed weave
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