UNE 53331:1997 IN PLASTICS. UNPLASTIZED POLY(VINYL CHLORIDE) AND HIGH AND MEDIUM DENSITY POLYETHYLENE (PE) PIPES. CRITERION FOR THE ASSESSMENT OF PIPES FOR PLASTICS PIPING SYSTEMS WITH CAR WITHOUT PRESSURE UNDER EXTERNAL LOADS.
2021UNE 53331:2021 Plastics. Unplasticized poly(vinyl chloride), oriented unplasticized poly(vinyl chloride) (PVC-O), polyethylene (PE) and polypropylene (PP) pipes. Criterion for the assessment of pipes for plastics piping systems with car without pressure under exte...