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Index of SubsTech articles
to Thermoplastics
to Properties of polymers
(submitted by the website administration)
| Thermoplastic | ||||
| High Density Polyethylene (HDPE) | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 0.95 *10³ | kg/m³ | 59.3 | lb/ft³ |
|---|---|---|---|---|
| Modulus of elasticity | 1.86 | GPa | 270 | ksi |
| Tensile strength | 31 | MPa | 4500 | psi |
| Elongation | 100 | % | 100 | % |
| Flexural strength | 40 | MPa | 5800 | psi |
| Thermal expansion (20 ºC) | 12.6*10-5 | ºCˉ¹ | 7*10-5 | in/(in* ºF) |
| Thermal conductivity | 0.48 | W/(m*K) | 3.33 | BTU*in/(hr*ft²*ºF) |
| Melting point | 130 | ºC | 266 | ºF |
| Maximum work temperature | 120 | ºC | 248 | ºF |
| Electric resistivity | 1013-1016 | Ohm*m | 1015-1018 | Ohm*cm |
| Dielectric constant | 2.4 | - | 2.4 | - |
Applications: packaging films, heavy duty shrink film, pipes, containers, bags, blown bottles.
http://www.virginia.edu/bohr/mse209/class.htm
http://bioe.eng.utoledo.edu/adms_staffs/akkus/BIO2200_notes/polymers.pdf
http://users.encs.concordia.ca/~woodadam/GCH6101/Important%20polymers.pdf
http://www.eng.uwo.ca/es021/ES021a_2006/Lecture%20Notes/Chap%2014-15%20-%20Polymers.pdf
http://ocw.mit.edu/NR/rdonlyres/Mechanical-Engineering/2-008Spring2004/5EB113FF-BB3B-4047-98B6-3152548F9D45/0/04_polymer_1_6_f.pdf
http://courses.washington.edu/courseli/me355/Lectures/Sp2006/lecture19-20%20Polymer,%20Polymer%20Processing,%20composites.ppt
http://www.engr.siu.edu/staff2/deruntz/IT208/Chapter%2018%20Manufacturing%20with%20Plastics.ppt
