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Index of SubsTech articles
to Thermoplastics
to Properties of polymers
(submitted by the website administration)
| Thermoplastic | ||||
| Polytetrafluoroethylene (PTFE) | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 2.17 *10³ | kg/m³ | 135.5 | lb/ft³ |
|---|---|---|---|---|
| Modulus of elasticity | 0.49 | GPa | 69 | ksi |
| Tensile strength | 24 | MPa | 3500 | psi |
| Elongation | 300 | % | 300 | % |
| Flexural strength | 33 | MPa | 4800 | psi |
| Thermal expansion (20 ºC) | 95*10-6 | ºCˉ¹ | 53*10-6 | in/(in* ºF) |
| Thermal conductivity | 0.25 | W/(m*K) | 1.73 | BTU*in/(hr*ft²*ºF) |
| Glass transition temperature | 27 | ºC | 81 | ºF |
| Maximum work temperature | 260 | ºC | 500 | ºF |
| Dielectric constant | 2.1 | - | 2.1 | - |
Applications: bearings pump parts, non-sticking coating, tubes for chemicals, thread seal tape, high and low temperature electrical and medical applications, lining for rolls.
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
