2 PrincipleA piece of PVC-U pipe, of specified length, chamfered at one end to an angle dependent on its thickness, is immersed for (30 ± 1) min in dichloromethane, at a temperature T specified by the referring standard, to verify that the PVC-U is not attacked at that temperature. For safety reasons, the surface area … Continue reading ISO 9852 – Unplasticized Poly(vinyl chloride) (PVC-U) Pipes — Dichloromethane Resistance at Specified Temperature (DCMT) – Testing EquipmentDichloromethane ResistanceISO 9852 – Unplasticized Poly(vinyl chloride) (PVC-U) Pipes — Dichloromethane Resistance at Specified Temperature (DCMT) – Testing Equipment