ISO 4600:1992

Plastics — Determination of environmental stress cracking (ESC) — Ball or pin impression method

The test is applicable to finished products and to test specimens, prepared by moulding and/or machining, and can be used for the assessment of both environmental stress cracking of a plastic product or material exposed to different environments, and for the determination of ESC of different plastics materials exposed to a specific environment. An alternative method for ESC determination by means of a constant-strain test is specified in ISO 4599, one by means of a constant-stress test in ISO 6252.