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This SAE Aerospace Standard (AS) covers batch qualification procedure for virgin and compounded polytetrafluoroethylene (PTFE) resins used for compression molding. AS9100 requires virgin and modified PTFE as a testing material be representative of production PTFE and/or parts. The testing specified herein is limited to tensile strength, elongation and specific gravity. Any other tests required by the purchaser must be specified separately.NOTE 1 Isostatic molding is regarded as compression molding. The test billet and test methods described in this standard may be used for qualification of resins and compounds for material that is isostatically molded in production provided the pressure molding and sinter cycles are representative of production. Where mold tooling described in this specification is not available, it is permissible to use the production process to produce material for qualification testing.NOTE 2 Extrusion is not considered as compression molding and is not covered by this standard.While the materials, methods, applications, and processes described or referenced in this standard may involve the use of hazardous materials, this standard does not address the hazards which may be involved in such use. It is the sole responsibility of the user to ensure familiarity with the safe and proper use of any hazardous materials and to take necessary precautionary measures to ensure the health and safety of all personnel involved.
Product Details
- Published:
- 09/05/2007
- File Size:
- 1 file , 1.3 MB
