S-Glass Chopped Fibers 6.4mm Diameter
High-strength S-glass chopped fibers with 6.4mm filament diameter and lengths over 50mm, designed for demanding aerospace and military composites. HTS 7019.19.30.00 covers these as chopped strands exceeding 50mm, distinct from rovings or continuous filaments.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If supplied as rovings rather than chopped
Unchopped glass rovings shift to 7019.12 regardless of length
If length exactly 50mm or under
Precise 50mm threshold separates 7019.19.20 from .30 subheadings
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Import Tips & Compliance
• Include tensile strength test data in documentation for S-glass verification; check for silane sizing compatibility declarations; avoid bundling with continuous filaments to prevent set classification
Related Products under HTS 7019.19.30.00
E-Glass Chopped Strands 12mm x 3/16 Inch
E-glass chopped strands measuring 12mm in length with a diameter of 3/16 inch, produced from molten glass drawn into filaments and cut to specification. Classified under HTS 7019.19.30.00 as chopped glass fibers longer than 50mm, used primarily as reinforcement in composite materials like polyester resins.
C-Glass Chopped Strands for Chemical Resistance
Corrosion-resistant C-glass chopped strands over 50mm long, with chemical-treated sizing for use in fiberglass reinforced plastics exposed to acids. Falls under HTS 7019.19.30.00 for chopped glass fiber strands longer than 50mm, excluding woven or mat forms.
AR-Glass Chopped Fibers for Concrete Reinforcement
Alkali-resistant AR-glass chopped fibers longer than 50mm, specifically engineered for addition to concrete and cement mixtures to enhance tensile strength. HTS 7019.19.30.00 applies to these loose chopped strands, separate from continuous AR-glass yarns.
Advantex Glass Chopped Strands 13mm
Owens Corning Advantex chopped glass strands (boron-free E-glass alternative) at 13mm length for spray-up and hand lay-up composites. Classified in HTS 7019.19.30.00 as chopped strands over 50mm, valued for recyclability and low environmental impact.
Wet Chopped E-Glass Strands 50.8mm
Wet-chopped E-glass strands precisely 50.8mm (2 inches) long, produced via wet-out process for optimal dispersion in resin matrices. HTS 7019.19.30.00 specifically for chopped strands exceeding 50mm length threshold.
High-Performance ECR-Glass Chopped Fibers
ECR (Corrosion-Resistant E-glass) chopped fibers over 50mm for aggressive chemical environments in pipes and tanks. HTS 7019.19.30.00 classification for these chopped glass fiber reinforcements, excluding finished composite articles.