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Rulon Bearings

Omni Plastics OmniTech™ PMA IM UV PMMA
Categories: Polymer; Thermoplastic; Acrylic (PMMA); Acrylic, Impact Modified, Molded
Material Notes: Impact modified, UV stabilized; values are based on natural or black materials unless otherwise noted.
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Specific Gravity 1.06 g/cc1.06 g/ccASTM D792
Linear Mold Shrinkage 0.0030 - 0.0070 cm/cm0.0030 - 0.0070 in/inIsotropic; ASTM D955
Melt Flow 8.0 g/10 min8.0 g/10 minASTM D1238
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Yield 47.0 MPa6820 psiASTM D638
Elongation at Break 30 %30 %ASTM D638
Flexural Strength 59.0 MPa8560 psiASTM D790
Flexural Modulus 1.724 GPa250.0 ksiASTM D790
Izod Impact, Notched 0.640 J/cm
@Thickness 3.17 mm		1.20 ft-lb/in
@Thickness 0.125 in		ASTM D256
 
Thermal PropertiesMetricEnglishComments
Deflection Temperature at 1.8 MPa (264 psi) 96.0 °C
@Thickness 3.17 mm		205 °F
@Thickness 0.125 in		ASTM D648
Flammability, UL94 HB
@Thickness 3.17 mm		HB
@Thickness 0.125 in		Omni Internal Testing
 
Processing PropertiesMetricEnglishComments
Rear Barrel Temperature 204 - 249 °C400 - 480 °F
Middle Barrel Temperature 216 - 260 °C420 - 500 °F
Front Barrel Temperature 216 - 260 °C420 - 500 °F
Nozzle Temperature 216 - 260 °C420 - 500 °F
Melt Temperature 216 - 260 °C420 - 500 °F
Mold Temperature 26.7 - 60.0 °C80.0 - 140 °F
Drying Temperature 87.8 °C190 °F
Dry Time <= 4.00 hour<= 4.00 hour
Moisture Content <= 0.020 %<= 0.020 %
Back Pressure 0.345 - 0.689 MPa50.0 - 100 psi

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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