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Significance and Use
These procedures can be used to evaluate chemicals or materials expected to come in contact with plastic piping relative to causing environmental stress-cracking in thermoplastic materials. This testing results in determining time-to-failure vs. engineering stress. This procedure can also be used in stress-rupture regression analysis, where a variety of stress levels are needed. The methodology can be readily adapted to conducting immersion tests in liquids or testing temperatures other than 73°F (23°C).
1.1 This test method is used for determining chemical compatibility of substances in contact with thermoplastic pipe and fittings materials.
1.2 This test method is not intended to evaluate the suitability of solvent cements or adhesives used to join plastic piping.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and to determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D638 Test Method for Tensile Properties of Plastics
ICS Number Code 23.040.80 (Seals for pipe and hose assemblies)
UNSPSC Code 40171517(Commercial PVC pipe)