SPECIFIC MATERIALS
Technical information about materials
PTH, thanks to our many years of experience in the process of extrusion of various polymers, only uses innovative and high quality materials. For this reason, we partner with the best producers first materials with the aim of achieving mixtures of materials with consistent properties.
PMMA Satin
Physical | Nominal Value Unit | Test Method |
---|---|---|
Density | 1.15 g/cm3 | ISO 1183 |
Melt Mass-Flow Rate (MFR) (230°C/3.8 kg) | 0.80 g/10 min | ISO 1133 |
Molding Shrinkage - Flow | 0.20 to 0.80% | ASTM D955 |
Water Absorption (Equilibrium, 23°C, 50% RH) | 0.36% | ISO 62 |
Mechanical | Nominal Value Unit | Test Method |
---|---|---|
Tensile Stress (Yield, 23°C) | 38.0 MPa | ISO 527-2 |
Tensile Strain (Break, 23°C) | 40% | ISO 527-2 |
Flexural Modulus (23°C) | 1700 MPa | ISO 178 |
Flexural Strength (23°C) | 62.0 MPa | ISO 178 |
Compressive stress (23°C) | 45.0 MPa | ISO 604 |
Impact | Nominal Value Unit | Test Method |
---|---|---|
Charpy Notched Impact Strength (23°C) | 7.0 kJ/m2 | ISO 179/2C |
Charpy Unnotched Impact Strength (23°C) | 60 kJ/m2 | ISO 179/2U |
Notched Izod Impact Strength (23°C) | 6.3 kJ/m2 | ISO 180/1A |
Hardness | Nominal Value Unit | Test Method |
---|---|---|
Rockwell Hardness (M-Scale) | 46 | ASTM D785 |
Thermal | Nominal Value Unit | Test Method |
---|---|---|
Heat Deflection Temperature | ||
0.45 MPa, Unannealed | 93.0°C | ISO 75-2/B |
1.8 MPa, Unannealed | 88.0°C | ISO 75-2/A |
Vicat Softening Temperature | 100°C | ISO 306/B |
CLTE-Flow (–30 TO 23°C) | 0.00010 cm/cm/°C | ASTM D696 |
Specific Heat | 2090 J/kg/°C |
Electrical | Nominal Value Unit | Test Method |
---|---|---|
Surface Resistivity | > 1.0E + 14 ohms | ASTM D257 |
Volume Resistivity | > 1.0E + 15 ohm cm | ASTM D257 |
Dielectric Strength | 15 kV/mm | ASTM D149 |
Dielectric Constant (60 Hz) | 3.90 | ASTM D150 |
Dissipation Factor (1 MHz) | ASTM D150 | ASTM D150 |
Flammability | Nominal Value Unit | Test Method |
---|---|---|
Flame Rating - UL | HB | UL 94 |
Glow Wire Flammability Index | 650°C | IEC 60695-2-12 |
Flammability | Nominal Value Unit | Test Method |
---|---|---|
Flame Rating - UL | HB | UL 94 |
Optical | Nominal Value Unit | Test Method |
---|---|---|
Refractive Index2 | 1.490 | ISO 489 |
Transmittance | 90.0% | ASTM D1003 |
Haze | 2.0% | ASTM D1003 |