|
| Property |
POLYMETHYL METHACRYLATE |
| Chemical Resistance |
| Acetone @ 100%, 20°C |
Non Satisfactory |
| Ammonium hydroxide @ 30%, 20°C |
Satisfactory |
| Ammonium hydroxide @ diluted, 20°C |
Satisfactory |
| Aromatic hydrocarbons @ 20°C |
Non Satisfactory |
| Aromatic hydrocarbons @ hot conditions |
Non Satisfactory |
| Benzene @ 100%, 20°C |
Non Satisfactory |
| Butylacetate @ 100%, 20°C |
Non Satisfactory |
| Butylacetate @ 100%, 60°C |
Non Satisfactory |
| Chlorinated solvents @ 20°C |
Non Satisfactory |
| Chloroform @ 20°C |
Non Satisfactory |
| Dioctylphtalate @ 100%, 100°C |
Non Satisfactory |
| Dioctylphtalate @ 100%, 20°C |
Limited |
| Ethanol @ 96%, 20°C |
Limited |
| Ethyleneglycol (Ethane diol) @ 100%, 100°C |
Non Satisfactory |
| Ethyleneglycol (Ethane diol) @ 100%, 20°C |
Satisfactory |
| Glycerol @ 100%, 20°C |
Satisfactory |
| Kerosene @ 20°C |
Satisfactory |
| Methanol @ 100%, 20°C |
Non Satisfactory |
| Methylethyl ketone @ 100%, 20°C |
Non Satisfactory |
| Mineral oil @ 20°C |
Satisfactory |
| Phenol @ 20°C |
Non Satisfactory |
| Silicone oil @ 20°C |
Limited |
| Sodium hydroxide @ 10%, 20°C |
Satisfactory |
| Sodium hypochlorite @ 20%, 20°C |
Satisfactory |
| Strong acids @ concentrated, 20°C |
Limited |
| Toluene @ 20°C |
Non Satisfactory |
| Toluene @ 60°C |
Non Satisfactory |
| Xylene @ 20°C |
Non Satisfactory |
| Electrical |
| Dielectric Constant |
2-5 |
| Dielectric Strength, kV/mm |
15-22 |
| Dissipation Factor x 10-4 |
200-2000 |
| Volume Resistivity x 1015, Ohm.cm |
14-16 |
| Mechanical |
| Elongation at Break, % |
2-10 |
| Elongation at Yield, % |
2-10 |
| Flexural Modulus, Gpa |
2.5-3.5 |
| Hardness Rockwell M |
70-105 |
| Hardness Shore D |
90-99 |
| Strength at Break (Tensile), MPa |
38-70 |
| Strength at Yield (Tensile), MPa |
38-70 |
| Toughness (Notched Izod Impact at Room Temperature), J/m |
10-25 |
| Young's Modulus, GPa |
2.5-3.5 |
| Optical |
| Haze, % |
1-96 |
| Transparency (Visible Light Transmission), % |
80-93 |
| Physical |
| Density, g/cm3 |
1.17-1.2 |
| Glass Transition Temperature, °C |
90-110 |
| Shrinkage, % |
0.2-0.8 |
| Water Absorption 24 hours, % |
0.1-0.4 |
| UV Light Resistance |
Good |
| Gamma Radiation Resistance |
Good |
| Sterilization Resistance (Repeated) |
Poor |
| Service Temperature |
| HDT @0.46 Mpa (67 psi), °C |
80-110 |
| HDT @1.8 Mpa (264 psi), °C |
70-100 |
| Max Continuous Service Temperature, °C |
70-90 |
| Thermal |
| Coefficient of Linear Thermal Expansion x 10-5, /°C |
5-9 |
| Thermal Insulation, W/m.K |
0.15-0.25 |
| Fire Resistance (LOI), % |
19-20 |
| Flammability, UL94 |
HB |