DN(mm)
|
PE80
|
PE100
|
||
SDR17.6
|
SDR11
|
SDR17.6
|
SDR11
|
|
Nominal Pressure
≦0.2MPa
|
Nominal Pressure
≦0.4MPa
|
Nominal Pressure
≦0.6MPa
|
Nominal Pressure
≦1.0MPa
|
|
Thickness(mm)
|
Thickness(mm)
|
Thickness(mm)
|
Thickness(mm)
|
|
20
|
2.3
|
3.0
|
2.3
|
3.0
|
25
|
2.3
|
3.0
|
2.3
|
3.0
|
32
|
2.3
|
3.0
|
2.3
|
3.0
|
40
|
2.3
|
3.7
|
2.3
|
3.7
|
50
|
2.9
|
4.6
|
2.9
|
4.6
|
63
|
3.6
|
5.8
|
3.6
|
5.8
|
75
|
4.3
|
6.8
|
4.3
|
6.8
|
90
|
5.2
|
8.2
|
5.2
|
8.2
|
110
|
6.3
|
10.0
|
6.3
|
10.0
|
125
|
7.1
|
11.4
|
7.1
|
11.4
|
140
|
8.0
|
12.7
|
8.0
|
12.7
|
160
|
9.1
|
14.6
|
9.1
|
14.6
|
180
|
10.3
|
16.4
|
10.3
|
16.4
|
200
|
11.4
|
18.2
|
11.4
|
18.2
|
225
|
12.8
|
20.5
|
12.8
|
20.5
|
250
|
14.2
|
22.7
|
14.2
|
22.7
|
280
|
15.9
|
25.4
|
15.9
|
25.4
|
315
|
17.9
|
28.6
|
17.9
|
28.6
|
355
|
20.2
|
32.3
|
20.2
|
32.3
|
400
|
22.8
|
36.4
|
22.8
|
36.4
|
450
|
25.6
|
40.9
|
25.6
|
40.9
|
500
|
28.4
|
45.5
|
28.4
|
45.5
|
560
|
31.9
|
50.9
|
31.9
|
50.9
|
630
|
35.8
|
57.3
|
35.8
|
57.3
|
Characteristics
|
Requirements
|
Longitudinal Reversion, %, (110℃)
|
<=3
|
Oxidation Induction Time, min, (200℃)
|
>=20
|
Extension Rate at Break,%
|
>=350
|
Carbon Black Content(mass fraction),% (only applies to black mixed ingredients)
|
2.0~2.5
|
Melt Mass Flow Rate, g/10min (195℃,5kg)
|
Change of MFR by processing ± 20 %
|
Longitudinal Reversion Rate, h(80℃,2Mpa)
|
≥20
|
Hydrostatic Strength
1)20℃, Hoop Stress:
PE100 12.4Mpa, PE80 9.0Mpa,100h
2)80℃, Hoop Stress:
PE100 5.4Mpa, PE80 4.5Mpa, 165h
3)80℃, Hoop Stress:
PE100 5.0Mpa, PE80,4.0Mpa, 1000h
|
No Failure
No Failure
No Failure
|