|
| Property |
POLYETHYLENE TEREPHTHALATE |
| Chemical Resistance |
| Acetone @ 100%, 20°C |
Limited |
| Ammonium hydroxide @ 30%, 20°C |
Satisfying |
| Ammonium hydroxide @ diluted, 60°C |
Non Satisfactory |
| Ammonium hydroxide @ diluted, 20°C |
Non Satisfactory |
| Aromatic hydrocarbons @ 20°C |
Limited |
| Benzene @ 100%, 20°C |
Limited |
| Butylacetate @ 100%, 60°C |
Limited |
| Butylacetate @ 100%, 20°C |
Limited |
| Chlorinated solvents @ 20°C |
Limited |
| Chloroform @ 20°C |
Limited |
| Dioctylphtalate @ 100%, 100°C |
Limited |
| Ethanol @ 96%, 20°C |
Satisfying |
| Ethyleneglycol (Ethane diol) @ 100%, 20°C |
Satisfying |
| Ethyleneglycol (Ethane diol) @ 100%, 50°C |
Limited |
| Glycerol @ 100%, 20°C |
Satisfying |
| Grease @ 20°C |
Satisfying |
| Kerosene @ 20°C |
Satisfying |
| Methanol @ 100%, 20°C |
Limited |
| Methylethyl ketone @ 100%, 20°C |
Limited |
| Mineral oil @ 20°C |
Satisfying |
| Phenol @ 20°C |
Non Satisfactory |
| Silicone oil @ 20°C |
Satisfying |
| Soap @ 60°C |
Limited |
| Soap @ 20°C |
Limited |
| Sodium hydroxide @ 10%, 20°C |
Satisfying |
| Sodium hydroxide @ 10%, 60°C |
Non Satisfactory |
| Sodium hydroxide @ 10%, 90°C |
Non Satisfactory |
| Sodium hypochlorite @ 20%, 20°C |
Satisfying |
| Strong acids @ concentrated, 20°C |
Non Satisfactory |
| Toluene @ 20°C |
Limited |
| Toluene @ 60°C |
Non Satisfactory |
| Xylene @ 20°C |
Limited |
| Electrical |
| Arc Resistance, sec |
75 - 125 |
| Dielectric Constant |
3 - 4 |
| Dielectric Strength, kV/mm |
60 |
| Dissipation Factor x 10-4 |
20 - 200 |
| Volume Resistivity x 1015, Ohm.cm |
16 |
| Mechanical |
| Elongation at Break, % |
30 - 70 |
| Elongation at Yield, % |
3.8 |
| Flexural Modulus, Gpa |
2.8 - 3.5 |
| Hardness Rockwell M |
50 - 100 |
| Hardness Shore D |
85 - 95 |
| Strength at Break (Tensile), MPa |
45 - 70 |
| Strength at Yield (Tensile), MPa |
50 - 57 |
| Toughness, J/m |
140 |
| Young's Modulus, GPa |
2.8 - 3.5 |
| Optical |
| Gloss, % |
105 - 200 |
| Transparency, % |
70 - 90 |
| Physical |
| Density, g/cm3 |
1.3 - 1.4 |
| Gamma Radiation Resistance |
Good |
| Glass Transition Temperature, °C |
73 - 78 |
| Shrinkage, % |
0.2 - 3 |
| Sterilization Resistance (Repeated) |
Poor |
| UV Light Resistance |
Fair |
| Water Absorption 24 hours, % |
0.1 - 0.2 |
| Service Temperature |
| Ductile / Brittle Transition Temperature, °C |
-40 |
| HDT @0.46 Mpa (67 psi), °C |
75 - 115 |
| HDT @1.8 Mpa (264 psi), °C |
65 - 80 |
| Max Continuous Service Temperature, °C |
80 - 140 |
| Min Continuous Service Temperature, °C |
-40 |
| Thermal |
| Coefficient of Linear Thermal Expansion x 10-5, /°C |
6 - 8 |
| Fire Resistance (LOI), % |
23 - 25 |
| Flammability, UL94 |
HB |
| Thermal Insulation, W/m.K |
0.29 |