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GEHR Plastics PMMA Acrylic

Category Polymer , Thermoplastic , Acrylic (PMMA)
Manufacturer GEHR Plastics Inc
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
Polymethylmethacrylate is refractory and shows a good mechanical strength, tensile strength and hardness. PMMA is also scratch resistant and easy to polish. It shows good temperature resistance and UV-stability. The operating temperature of PMMA ranges from -40°C to approximately 70°C.Properties:very high mechanical strength and hardnesshigh mechanical rigidityexcellent transparencyeasy to polishgood thermal stabilitygood insulation propertieslow water absorptionexcellent weather resistancepossible stress problemslow chemical resistancebrittleApplications:DisplayAdvertisementfood industryconduit pipe for milktubes for lampshand railsautomotive parts
Physical Properties Metric English Comments
Specific Gravity 1.18 g/cc
1.18 g/cc
ISO 1183
Water Absorption 0.30 %
0.30 %
ISO 62
Mechanical Properties Metric English Comments
Tensile Strength, Yield 72.0 MPa
10400 psi
ISO 527
Elongation at Break 4.5 %
4.5 %
ISO 527
Modulus of Elasticity 3.30 GPa
479 ksi
ISO 527
Flexural Strength 105 MPa
15200 psi
3.5%; ISO 178
Charpy Impact Unnotched 1.20 J/cm²
5.71 ft-lb/in²
ISO 179
Charpy Impact, Notched 0.200 J/cm²
0.952 ft-lb/in²
ISO 179
Thermal Properties Metric English Comments
CTE, linear 70.0 µm/m-°C

@Temperature 20.0 °C
38.9 µin/in-°F

@Temperature 68.0 °F
DIN 53752
Thermal Conductivity 0.190 W/m-K
1.32 BTU-in/hr-ft²-°F
DIN 52612
Maximum Service Temperature, Air 70.0 °C
158 °F
Deflection Temperature at 1.8 MPa (264 psi) 90.0 °C
194 °F
ISO 75
Vicat Softening Point 102 °C
216 °F
VST/B/50; ISO 306
Flammability, UL94 HB
HB
Electrical Properties Metric English Comments
Volume Resistivity >= 1.00e+15 ohm-cm
>= 1.00e+15 ohm-cm
VDE 0303
Surface Resistivity per Square >= 1.00e+13 ohm
>= 1.00e+13 ohm
VDE 0303
Dielectric Constant 2.7

@Frequency 1.00e+6 Hz
2.7

@Frequency 1.00e+6 Hz
DIN 53483
Dielectric Strength 30.0 kV/mm
762 kV/in
VDE 0303
Dielectric Loss Index 0.020

@Frequency 1.00e+6 Hz
0.020

@Frequency 1.00e+6 Hz
DIN 53483
Comparative Tracking Index >= 600 V
>= 600 V
CTI; IEC 60112
Descriptive Properties Value Comments
Acid Resistance yes
Aromatic Resistance no
Bondability yes
CKW Resistance limited
Color Clear
Hydrocarbonate Resistance yes
Hydroxide Resistance yes
Ketone Resistance limited
Physiological indifference according yes
Resistance Against Hot Water limited
UV Stabilization yes
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