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Specialty Compounds RTP Company

PolyPLASTY PolyPLEX PMMA
Categories: Polymer; Thermoplastic; Acrylic (PMMA)

Material Notes:

Information provided by PolyPLASTY.

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Physical PropertiesMetricEnglishComments
Water Absorption 0.60 %0.60 %under regular conditions; ISO 62
Moisture Absorption at Equilibrium 2.0 %2.0 %ISO 62
 
Mechanical PropertiesMetricEnglishComments
Hardness, H358/30 195 MPa28300 psiISO 2039-1
Hardness, Shore D 8181ISO 868, ISO 2039-2
Tensile Strength, Yield 73.0 MPa10600 psiISO 527
Elongation at Break 3.5 %3.5 %ISO 527
Modulus of Elasticity 3.20 GPa464 ksiISO 527
Flexural Strength 130 MPa18900 psiISO 178
Fatigue Strength 10.0 MPa1450 psiflexure; ASTM D671
Charpy Impact Unnotched 2.00 J/cm²9.52 ft-lb/in²ISO 179/1eU
Charpy Impact, Notched 0.200 J/cm²0.952 ft-lb/in²ISO 179/1eA
Tensile Creep Modulus, 1000 hours 2200 MPa319000 psi0.5 percent; ISO 899-1
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 1.00e+15 ohm-cm1.00e+15 ohm-cmIEC 60093
Surface Resistance 1.00e+14 ohm1.00e+14 ohmIEC 60093
Dielectric Constant  2.8
@Frequency 1e+6 Hz
2.8
@Frequency 1e+6 Hz
IEC 60250
 3.7
@Frequency 50 Hz
3.7
@Frequency 50 Hz
IEC 60250
Dissipation Factor  0.020
@Frequency 1e+6 Hz
0.020
@Frequency 1e+6 Hz
IEC 60250
 0.050
@Frequency 50 Hz
0.050
@Frequency 50 Hz
IEC 60250
Comparative Tracking Index 600 V600 VIEC 60112
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Transverse to Flow 10.0 µm/m-°C5.56 µin/in-°FISO 11359
Specific Heat Capacity 1.50 J/g-°C0.359 BTU/lb-°FIEC 1006
Thermal Conductivity 0.190 W/m-K1.32 BTU-in/hr-ft²-°FDIN 52 612
Melting Point 110 °C230 °FISO 11357
Maximum Service Temperature, Air 80.0 °C176 °Flong term
 100 °C212 °Fshort term
Deflection Temperature at 0.46 MPa (66 psi) 95.0 °C203 °FISO 75
Deflection Temperature at 1.8 MPa (264 psi) 100 °C212 °FISO 75
Vicat Softening Point 103 °C
@Load 5.10 kg
217 °F
@Load 11.2 lb
point B; ISO 306 VST/B/50
Flammability, UL94 HB
@Thickness 1.57 mm
HB
@Thickness 0.0618 in
IEC 60695-11-10
 
Descriptive Properties
LOI Acid Index (%)17ISO 4589

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