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

PhysicalNominal Value UnitTest Method
Density1.15 g/cm3ISO 1183
Melt Mass-Flow Rate (MFR) (230°C/3.8 kg)0.80 g/10 minISO 1133
Molding Shrinkage - Flow0.20 to 0.80%ASTM D955
Water Absorption (Equilibrium, 23°C, 50% RH)0.36%ISO 62
MechanicalNominal Value UnitTest Method
Tensile Stress (Yield, 23°C)38.0 MPaISO 527-2
Tensile Strain (Break, 23°C)40%ISO 527-2
Flexural Modulus (23°C)1700 MPaISO 178
Flexural Strength (23°C)62.0 MPaISO 178
Compressive stress (23°C)45.0 MPaISO 604
ImpactNominal Value UnitTest Method
Charpy Notched Impact Strength (23°C)7.0 kJ/m2ISO 179/2C
Charpy Unnotched Impact Strength (23°C)60 kJ/m2ISO 179/2U
Notched Izod Impact Strength (23°C)6.3 kJ/m2ISO 180/1A
HardnessNominal Value UnitTest Method
Rockwell Hardness (M-Scale)46ASTM D785
ThermalNominal Value UnitTest Method
Heat Deflection Temperature
0.45 MPa, Unannealed93.0°CISO 75-2/B
1.8 MPa, Unannealed88.0°CISO 75-2/A
Vicat Softening Temperature 100°CISO 306/B
CLTE-Flow (–30 TO 23°C)0.00010 cm/cm/°CASTM D696
Specific Heat2090 J/kg/°C
ElectricalNominal Value UnitTest Method
Surface Resistivity> 1.0E + 14 ohmsASTM D257
Volume Resistivity> 1.0E + 15 ohm cmASTM D257
Dielectric Strength15 kV/mmASTM D149
Dielectric Constant (60 Hz)3.90ASTM D150
Dissipation Factor (1 MHz)ASTM D150ASTM D150
FlammabilityNominal Value UnitTest Method
Flame Rating - ULHBUL 94
Glow Wire Flammability Index650°CIEC 60695-2-12
FlammabilityNominal Value UnitTest Method
Flame Rating - ULHBUL 94
OpticalNominal Value UnitTest Method
Refractive Index21.490ISO 489
Transmittance90.0%ASTM D1003
Haze2.0%ASTM D1003

Materials