|
No. |
Items |
Unit |
Technical Specification |
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|
1 |
Density |
g/cm³ |
0.94 |
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|
2 |
Longitudinal Shrinkage Rate |
% |
≤3 |
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|
3 |
Crosslinking Degree |
% |
≥60 |
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|
4 |
Appearance |
|
The inner and outer surfaces of the pipe are smooth, without sand holes, bubbles, or other defects such as scratches that may affect the pipe | |||||
|
5
|
Hydro-static Resistance Test
|
Hoop Stress |
MPa |
4.8 |
4.7 |
4.6 |
4.4 |
2.5 |
|
Temperature |
℃ |
95 |
95 |
95 |
95 |
110 |
||
|
Duration |
h |
1 |
22 |
165 |
1000 |
8760 |
||
|
6 |
Thermal Conductivity |
W/mk |
0.46 |
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|
7 |
Linear Expansion Coefficient |
mm/mk |
0.16 |
|||||
|
8 |
Vicat Softening Point |
℃ |
123 |
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|
9 |
Tensile Strength |
MPa |
≥17 |
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|
10 |
Elongation at Break |
% |
≥350 |
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|
11 |
Sanitary Performance |
|
Standard: GB/T 17219-1998 Safety Evaluation Standard for Drinking Water Distribution Equipment & Protective Materials |
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