AS4720 Batch Qualification Procedure for Tensile Strength, Elongation and Specific Gravity of Polytetrafluoroethylene (PTFE) Resins, Virgin, Modified, Pigmented and Filled Compounds Used for Compression Molding

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.