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Specification for Finished Fabric Woven from "E" Glass for Printed Boards
1 SCOPE
This specification covers finished fabrics woven from ‘‘E’’ glass electrical grade glass fiber yarns that are intended as a reinforcing material in laminated plastics for electrical and electronic use. All fabrics covered by this specification are plain weave.
1.1 Purpose
This specification determines the nomenclature, definitions, general and chemical requirements for the glass, and physical requirements for finished woven glass fiber fabrics.
1.2 Designation
Appendix A provides the user with a cross reference between the IPC-4412 requirements and ISO specifications applicable to woven glass. Appendix B of this standard provides a style designator for each finished fabric glass style, with specifications on yarn, fabric count, thickness and weight in both SI and US system. Fabrics listed in Appendix B also categorize fabrics by their current availability status.
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