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AMS3915A - Advanced Composites Prepreg – Nominal 250 °F Cure –Glass Fiber and Epoxy Resin, 7781 Weave Fabric

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Document Number: AMS3915A
Project Initiation: 04-15-2013
Project Number:
Revision Number: A
Sponsor Name: Damon Call
Title
Advanced Composites Prepreg – Nominal 250 °F Cure –Glass Fiber and Epoxy Resin, 7781 Weave Fabric
Scope
This specification establishes the requirements for a nominal 250 °F cure epoxy preimpregnated 7781 glass fabric. The prepreg has a nominal fiber areal weight of 294 gsm, and nominal resin content of 38%.
Rationale
Clarified the scope of specification by adding revision control, removing Toray test procedures in reference section, correcting prepreg requirements and adding prepreg shelf life extension, adding new HPLC (method II) requirements, adding methylene chloride as an alternate solvent for determining resin content, correcting the cool down temp and cool down rate of cure cycle, and made clear the laminate Tg (Dry) testing of specimens.
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