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Methods of testing plastics. Thermoplastics pipes, fittings and valves -- Resistance to environmental stress cracking of polyethylene pipes and fittings for non-pressure applications
This British Standard describes a method for determining the resistance of polyethylene pipes and fittings to immersion in a wet stress cracking agent at elevated temperature.
It is applicable to pipes and fittings of any size for non-pressure applications where the pipes and fittings are subjected to contact with stress cracking inducing agents and associated requirements are specified in the relevant product standard. It is a potentially destructive test intended chiefly for use as a type test to assess, for example, the material, manufacturing process and/or product design.
NOTE The titles of the publications referred to in this standard are listed on the inside back cover.
Method for immersion of samples of pipe or fittings in a surfactant solution at elevated temperature followed by inspection for delamination to indicate inadequacy in the material composition, product design, or manufacturing process.
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