ISO 8796 – Polyethylene (PE) 25 Pipes for Irrigation Laterals — Susceptibility to Environmental Stress-Cracking Induced by Insert-type Fittings — Test Method and Specification – Testing Equipment
4.2 Apparatus Forced-air-circulation oven, maintained at 70 °C ± 2 °C, capable of re-establishing that temperature within five minutes after insertion of test pieces. NOTE — A constant-temperature bath may be used instead of the oven, provided it has the same thermal capabilities as specified for the oven. 4.3 Test pieces Five sections of the…