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(submitted by the website administration)
| Thermoplastic | ||||
| Polypropylene (PP) | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 0.91 *10³ | kg/m³ | 56.8 | lb/ft³ |
|---|---|---|---|---|
| Modulus of elasticity | 1.36 | GPa | 195 | ksi |
| Tensile strength | 37 | MPa | 5300 | psi |
| Elongation | 350 | % | 350 | % |
| Flexural strength | 49 | MPa | 7000 | psi |
| Thermal expansion (20 ºC) | 90*10-6 | ºCˉ¹ | 50*10-6 | in/(in* ºF) |
| Thermal conductivity | 0.16 | W/(m*K) | 1.11 | BTU*in/(hr*ft²*ºF) |
| Glass transition temperature | -10 | ºC | 14 | ºF |
| Maximum work temperature | 150 | ºC | 302 | ºF |
| Electric resistivity | 107 -109 | Ohm*m | 109 -1011 | Ohm*cm |
| Dielectric constant | 2.4 | - | 2.4 | - |
Applications: packaging, ventilators, boxes of TV and radio sets, toys, furniture components, bumpers.
