Description: Vicat softening temperature; resistance to internal hydraulic pressure sustained for a long period pipes and fittings; Resistance to internal hydraulic pressure for a short period in pipes and fittings; Dimensions in pipes and fittings; Pipes and Fittings - Flammability of Plastic; Tightness of the joint ring of elastomeric material; and Determining the rigidity of plastic tubes Method: ASTM D2412, ASTM D3212, ASTM D635, ASTM D2122, ASTM D1598, ASTM D1599, ISO 2507-1, ISO 2507-2
