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|
Cixi Runzhou Pipe Industry Co.,Ltd. |
| Subject: | pex pipe |
| Update Date: | 2009-12-18 09:24:59.0 |
| Valid Period: | Never expired |
| Contact Info | |
| Tel: | 86-574-63588599 |
| Fax: | 86-574-63587076 |
| Contact Person: | |
| Job Title: | sales manager |
or
Description
|
Outside Diameter（mm）
|
SDR
|
|||||
|
11
|
9
|
7.3
|
||||
|
PEX Series
|
||||||
|
5
|
4
|
3.15
|
||||
|
Wall thickness（mm）
|
Weight（kg/m）
|
Wall thickness（mm）
|
Weight （kg/m）
|
Wall thickness（mm）
|
Weight（kg/m）
|
|
|
12
|
1.3
|
0.045
|
1.4
|
0.049
|
1.7
|
0.059
|
|
16
|
1.5
|
0.083
|
2.0
|
0.083
|
2.2
|
0.098
|
|
20
|
2.0
|
0.111
|
2.3
|
0.131
|
2.8
|
0.153
|
|
25
|
2.3
|
0.169
|
2.8
|
0.197
|
3.5
|
0.238
|
|
32
|
2.9
|
0.268
|
3.6
|
0.323
|
4.4
|
0.382
|
|
40
|
3.7
|
0.425
|
4.5
|
0.503
|
5.5
|
0.594
|
|
50
|
4.6
|
0.659
|
5.6
|
0.78
|
6.9
|
0.926
|
|
63
|
5.8
|
1.04
|
7.1
|
1.24
|
8.7
|
1.46
|
|
Test Item
|
Technology Requirement
|
|
Crosslinking Degree(%)
|
≥65
|
|
LongitudinalReversion (%)
|
≤3
|
|
Hydraulic Test
|
20℃,12.0Mpa of hoop stress,1h,no seepage,no broken
|
|
95℃,4.8Mpa of hoop stress,1h, no seepage,no broken
|
|
|
95℃,4.7Mpa of hoop stress,22h, no seepage,no broken
|
|
|
95℃,4.6Mpa of hoop stress,165h, no seepage,no broken
|
|
|
95℃,4.4Mpa of hoop stress,1000h, no seepage,no broken
|
|
|
Density (g/cm3)
|
≥0.94
|
|
Tensile-strength (N/mm2)
|
20℃ 19~26 100℃ 9~13
|
|
elongation at break(%)
|
20℃ 350~550 100℃ 500~700
|
|
Temperature(℃)
|
-70~+95
|
|
Linear Expansibitlity (m/m°k)
|
20℃ 1.4×10-4 100℃ 2.05×10-4
|
|
Vicat Softening Point(℃)
|
133
|
|
Coeffient of Heat Conductivity (W/m°k)
|
0.35
|
