The method of classification given in this part of ISO 4433 serves to determine the chemical resistance of unplasticized poly(vinyl chloride) (PVC-U), high-impact poly(vinyl chloride) (PVC-HI) and chlorinated poiy(vinyl chloride) (PVC-C) pipes designed for the conveyance of liquids in the absence of pressure and stress (e.g. due to earth loads or traffic loads, dynamic or internal stresses).To determine the chemical resistance, the method uses the change in mass and the changes in tensile properties which result from the immersion of test pieces, taken from such pipes, in liquid chemicals. The immersion test is carried out in accordance with ISO 4433-1.This part of ISO 4433 is also applicable to PVC-U sheets as appropriate.
Document identifier
ISO 4433-3:1997
Title
Thermoplastics pipes -- Resistance to liquid chemicals -- Classification -- Part 3: Unplasticized poly(vinyl chloride) (PVC-U), high-impact poly(vinyl chloride) (PVC-HI) and chlorinated poly(vinyl chloride) (PVC-C) pipes
ISO Category
TC 138/SC 3: Plastics pipes and fittings for industrial applications
Publication date
1997-12-01
International Relationship
BS ISO 4433-3:1997 * BS ISO 4433-3:1997
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