KS ISO 580:2005

Plastics piping and ducting systems - Injectionmoulded thermoplastics fittings - Methods for visually assessing the effects of heating

Specifies two methods for assessing the effects of heating on injection-moulded thermoplastics pipe fittings method A, using an air oven, and method B, using a liquid bath. In case of disagreement, method A is the reference method.