... or 2.5mm PVC WINDOWS AND DOOR PROFILESCertificationISO 9001:2000Type PVC PROFILE FOR Door & Window FramesModel number60, ... itemsStandardTest itemsStandardHardness,HRR≥85Veka softening point,≥83Tensile strength,MPa≥37Status after heatingNo bubbles, cracks. SmoothElongation at ... change after heating,%±2.5Bending elasticity modulus, MPa≥1960Oxgen index,%≥38Low temperature drop weight impact test ...