Testing of welded joints of thermoplastics semi-finished products - Macroscopic examination Ingestion-build-44616 BS 7450 is a British

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Testing of welded joints of thermoplastics semi-finished products - Macroscopic examination Ingestion-build-44616 BS 7450 is a British1 Scope This standard specifies the cutting and preparation of test specimens and the conditions for performing the macroscopic examination of the test specimens. The test is applicable to welded assemblies made from thermoplastics materials filled or unfilled, using the following processes : hot gas welding : round nozzle, high speed nozzle, wedge ; extrusion welding ; heated tool welding : butt, saddle, socket, wedge ; electrofusion welding :