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PP-RⅢ聚丙烯（无规共聚聚丙烯）
根据GB/T18742标准的规定
有下列特性：
密度：0.99g/cm3
熔点：140℃
最大拉伸强度：40N/mm2
拉伸变形：80%
E弹性模量（20℃）800N/mm
比热：2KJ/kg℃
热性：0.24W/m℃
热胀系数：0.16mm/m℃ |
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PP-RⅢ polypropylene(trackless co-polypylene)
According to the stipulation of GB/T18742 standard
Having the following properties
Density:0.90g/cm3
Melting point:140℃
Biggest extending strength:40N/mm2
Extending shape-changing:800N/mm
Specific heat:2KJ/kg℃
Thermal properties:0.24W/m℃
thermal expansion coefficient:0.16mm/m℃ |
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压力等级（Mpa）
pressure rating |
规格（mm）
specification |
压力等级（Mpa）
pressure rating |
规格（mm）
specification |
S5
PN=
1.25MPa |
20×1.3 |
S4
PN=
1.6MPa |
20×2.3 |
| 25×2.3 |
25×2.8 |
| 32×3.0 |
32×3.6 |
| 40×3.7 |
40×4.5 |
| 50×4.6 |
50×5.6 |
| 63×5.8 |
63×7.1 |
| 75×6.9 |
75×8.4 |
| 90×8.2 |
90×10.1 |
| 110×10.0 |
110×12.1 |
| 160×14.6 |
160×17.1 |
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压力等级（Mpa）
pressure rating |
规格（mm）
specification |
压力等级（Mpa）
pressure rating |
规格（mm）
specification |
S3.2
PN=
20MPa |
20×2.8 |
S2.5
PN=
2.5MPa |
20×3.4 |
| 25×3.5 |
25×4.2 |
| 32×4.4 |
32×5.4 |
| 40×5.5 |
40×6.7 |
| 50×6.9 |
50×8.4 |
| 63×8.7 |
63×10.5 |
| 75×10.1 |
75×12.5 |
| 90×12.3 |
90×15.0 |
| 110×15.1 |
110×18.0 |
| 160×21.7 |
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| 无规共聚体——聚丙烯和乙烯是共聚单体，乙烯分子在聚丙烯聚合物链中随机分布，高强度的材料，在热水中的使用寿命：使用期为50年。典型应用：用于饮用水的冷、热水管道系统。 |
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| Trackless co-polypylence_polypylene and ethylene are co-single one, ethylene molecule is handy spread over in co-polypylene chain, high-strength material, whose using life in hot fire with 50 years. Its typical using: used in cold or heated pipe systems. |
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| 设计压力，MPa |
管系列S |
| 0.4 |
5 |
5 |
5 |
3.2 |
| 0.6 |
5 |
3.2 |
5 |
2.0 |
| 0.8 |
3.2 |
2.5 |
4 |
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| 1.0 |
2.5 |
2.0 |
3.2 |
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