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| Specification: | As Customized |
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Product Parameter
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|
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Density g/cm3
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≥2.0
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Barcol Hardness
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≥50
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Static friction coefficient of inner wall
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≤0.363
|
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longitudinal tensile strength Mpa
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≥560
|
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longitudinal bending strength Mpa
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≥760
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transverse bending strength Mpa
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≥180
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Impact strength KJ/m2
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≥200
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Performance comparison between Polyurethane profiles and other materials
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Performance
|
Aloy
|
Nylon Bar
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PVC
|
Polyester FRP
|
Polyurethane FRP
|
|
Density g/cm3
|
2.79
|
1.3
|
1.5
|
2.0
|
2.1
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Thermal Conductivity W/m2K
|
160
|
0.3
|
0.35
|
0.40
|
0.25
|
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Bending strength MPa
|
250
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80~180
|
30
|
300~400
|
1594
|
|
specific strength 103 N·m/kg
|
89.6
|
61~138
|
21.4
|
166~222
|
838.9
|
|
Flexural modulus GPa
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50~80
|
2~5
|
2.2~5
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10~22
|
41.3
|
|
Specific stiffness 106 N·m/kg
|
17~28
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1.5~3.8
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1.5~3
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6~12
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21.7
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Dimensional shrinkage ≤ %
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0.6
|
0.4
|
0.4
|
2
|
0.2
|
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Linear expansion coefficient 10-5K-1
|
2.2~2.4
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2.4~3.5
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5~8.5
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0.73
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0.5~0.8
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