| 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 |