Silica Filament Foundry Mold Release Fabric
Colored, chemically bonded closed silica filament fabric (>93% SiO2), under HTS 7019.72.90.30. Used as release liner in metal foundry molds, preventing adhesion at molten temperatures. High purity prevents contamination.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If E-glass filament fabrics
Standard E-glass compositions use different fiber type subheadings.
If carbon fiber reinforced
Composites with carbon shift to Chapter 68 articles.
If part of spray equipment
Machinery parts for projecting include specialized fabrics.
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Import Tips & Compliance
• Certify non-contaminating purity; declare single-use application; check EPA import notifications
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