ASTM D4029/D4029M-23

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Anotace textu normy ASTM D4029/D4029M-23 :

This specification covers finished fabrics woven from "E" electrical glass fiber yarns that are intended as a reinforcing material in laminated plastics for structural use. This specification can also be applied to fabrics made of other glass types. This specification permits the application of sizing materials to the glass fiber yarn during manufacture that helps facilitate weaving. These organic materials are typically removed from the greige gabric and replaced with a finish that is compatible with a specified resin matrix. The materials shall meet the required fabric count, yarn designations, yarn number, filament diameter, strand construction, twist direction, twist level, fabric weave type, mass per unit area, thickness, breaking strength, width, length, ignition loss, finish level, and appearance.

Keywords:

appearance, construction, fabric weave, glass fabrics, laminates, organic content, plastics, twist, yarn number, yarns,, ICS Number Code 59.100.10 (Textile glass materials)