MDPE Pipes Technical Detail

Nominal outer Dia.

Minimum Wall Thickness (All sizes in mm)

mm SDR 17.6 SDR 13.6 SDR 11.0 SDR 9.0
16 2.3 2.3 3.0 3.0
20 2.3 2.3 3.0 3.0
25 2.3 2.3 3.0 3.0
32 2.3 2.3 3.0 3.6
40 2.3 3.0 3.7 4.5
50 2.9 3.7 4.6 5.6
63 3.6 4.7 5.8 7.1
75 4.3 5.5 6.8 8.4
90 5.2 6.6 8.2 10.1
110 6.3 8.1 10.0 12.3
125 7.1 9.2 11.4 14.0
140 8.0 10.3 12.7 15.7
160 9.1 11.8 14.6 17.9
180 10.3 13.3 16.4 20.1
200 11.4 14.7 18.2 22.4
225 12.8 16.6 20.5 25.1
250 14.2 18.4 22.7 25.1


Physical & Mechanical Properties of MDPE Pipes

Characteristics Units Requirements Test Parameters Test Methods
Conventional Density kg/m3 >930(base polymer) 230C ISO-1183, ISO-1872/1
Melt Flow rate G/10min 0.2 to 1.1 1900C/5kg ISO-4440/1, IS-2530:1963
Thermal Stability min. >20 2000C ISO/TR-10837
Hydrostatic Strength h Failure time>=100h  Failure time>=165h   Failure time>=1000h PE-80-9.0 MPa-200C             ;   PE-80-4.6 MPa-800C             ;  PE-80-4.0 MPa-800C ISO-1167
Elongation at Break % >=350 ISO-6259/3