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The characteristic of UHMWPE pipes：
Anti-abrasion: Under the same instance, the bulk lost is only the 1/7 of steel piper .
Anti High-pressure:It is applicable under the press 0.2Mpa-4.0Mpa.
Anti-corrosion:Because the solid structure,it can anti-corrosion very well.
From Lubrication:The abrasion is the least among all the pipes materials .Under the same stance,the press lost is only the steel pipes’1/10,and is only the nylon’ 1/7.
Non-scaling:The internal wall is so slippery that the medium can’t deposit on it..
Light Weight:The density is the 1/8 of the steel.it's easy to convey and install.
Available to connection: It's welded by flange or hoop. And it's convey and install.
Anti-aging: There is anti-ultraviolet radiation material in the pipes, May use above for 50 years under the burning hot sunlight.
Health&Safety:This kind of pipe is innocuity.
Temperature-resistance:The pipe can be used from -70oC to 85oC.
Long life: Under the same instance, the used life is 7 times of the steel pipes’ .
The specification of pipe material
公称外径DN(mm) 0.4MPa 0.6MPa 0.8MPa 1MPa 1.25MPa 1.65MPa 2.0MPa
壁厚mm thickness 壁厚mm thickness 壁厚mm thickness 壁厚mm thickness 壁厚mm thickness 壁厚mm thickness 壁厚mm thickness
110 4.7 6.0 7.4 9.2 11.4
125 5.4 6.7 8.3 10.3 12.7
140 6.0 7.7 9.5 11.8 14.6
160 5.2 6.9 8.6 10.7 13.3 16.4
180 5.9 7.7 9.6 11.9 14.7 18.2
219 6.5 8.6 10.8 13.4 16.6 20.5
225 4.9 7.3 9.7 11.9 14.8 18.4 22.7
250 5.5 8.1 10.7 13.4 16.6 20.6 25.4
280 6.2 9.1 12.0 15.0 18.7 23.2 28.6
315 6.9 10.2 13.5 16.9 21.1 26.1 32.2
350 7.8 11.5 15.3 19.1 23.7 29.4 36.3
400 8.8 13.0 17.2 21.5 26.7 33.1 40.9
450 9.8 14.6 19.1 13.9 29.7 36.8
500 11.0 16.2 21.4 26.7 33.2 41.2
560 12.3 18.2 24.1 30.0 37.4
630 13.8 20.5 27.2 33.9 42.1
700 15.3 22.7 30.6 38.1
800 18.0 26.0 38.1
900 20.0 30.0 42.1
1000 22.0 33.0
UHMW-PE同其它各种塑料性能比较
项目 实验方法 单位 UHMWPE PA66 PVC PE 钢管
平均分子量 GB1841 ＞1.5×106 ＜5×105
密度 GB1033 G/Cm3 0.935 1.13-1.15 1.4 0.945 7.8
吸水率 ASTMD-570 % ＜0.01 3.8 0.07-0.4 ＜0.01
熔点 ISO11357.3 ℃ 136 255 160 129
热变形温度（0.46MPa） GB1634 ℃ 85 182-224 54-73 71
线膨胀系数 ASTMD-696 10-4/℃ 1.5 0.8 1.2
拉伸强度 GB/T1040 MPa 39.2 61 40 ＜25
拉伸屈服应力 GB/T1040 MPa 22 20
拉伸断裂伸长率 GB/T1040 % ≥350 60-300 60-120 ≥350
缺口简支梁冲击强度 GB/T1043 KJ/m 不断 5.9-10.8 ＜10 ＜27
洛氏硬度 GB/T9342 40 85-120 33
磨擦系数 三石化法 0.05-0.11 0.37 0.4-0.6 0.4 0.58
磨耗率 三石化法 % 21 100 210 210 140
结垢 不易结垢 结垢
耐腐蚀 优 良 良 良 差
Performance comparison of UHMW-PE with other materials
Item Experimental methods Units UHMWPE PA66 PVC PE Steel Pipe
Average molecular weight GB1841 ＞1.5×106 ＜5×105
Density GB1033 G/Cm3 0.935 1.13-1.15 1.4 0.945 7.8
Water absorption ASTMD-570 % ＜0.01 3.8 0.07-0.4 ＜0.01
Melting Point ISO11357.3 ℃ 136 255 160 129
Heat distortion temperature（0.46MPa） GB1634 ℃ 85 182-224 54-73 71
Linear expansion coefficient ASTMD-696 10-4/℃ 1.5 0.8 1.2
Tensile strength GB/T1040 MPa 39.2 61 40 ＜25
Tensile yield stress GB/T1040 MPa 22 20
Tensile elongation at break GB/T1040 % ≥350 60-300 60-120 ≥350
The impact on the Gap of simply supported beam GB/T1043 KJ/m Continuously 5.9-10.8 ＜10 ＜27
Rockwell hardness GB/T9342 40 85-120 33
Friction coefficient Three petrochemical Law 0.05-0.11 0.37 0.4-0.6 0.4 0.58
Wear rate Three petrochemical Law % 21 100 210 210 140
Scaling Non- scaling Scaling
Corrosion-resistant Merit Average Average Average Average
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