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Ensinger PEI

Röhm Acrylite® GP Acrylic Sheet, Cast  (discontinued **)
Categories: Polymer; Thermoplastic; Acrylic (PMMA); Acrylic, Cast
Material Notes: Data provided by CYRO Industries

Cast sheet - made to very tight thickness tolerances. Weather resistant, easily fabricated. Used in displays, light diffusers, security glazing, aquariums, hockey rinks, shower enclosures, and skylights.

Information Provided by Evonik CYRO. The former Evonik Methacrylates business has been sold to Röhm (Roehm) GmbH.

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
Density 1.19 g/cc0.0430 lb/in³ASTM D792
Water Absorption 0.20 %0.20 %24 hrs, 23°C; ASTM D570
Water Absorption at Saturation 1.1 %1.1 %48 days immersion
 
Mechanical PropertiesMetricEnglishComments
Hardness, Barcol 4949ASTM D2583
Hardness, Rockwell M 9494ASTM D785
Tensile Strength, Ultimate 69.0 MPa10000 psiASTM D638
Elongation at Break 4.2 %4.2 %ASTM D638
Tensile Modulus 2.80 GPa406 ksiASTM D638
Flexural Yield Strength 114 MPa16500 psiASTM D790
Flexural Modulus 3.30 GPa479 ksiASTM D790
Compressive Yield Strength 124 MPa18000 psiASTM D695
Izod Impact, Notched 0.220 J/cm0.412 ft-lb/inASTM D256
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 1.60e+16 ohm-cm1.60e+16 ohm-cmASTM D257
Surface Resistance 1.90e+15 ohm1.90e+15 ohmASTM D257
Dielectric Constant  2.7
@Frequency 1e+6 Hz		2.7
@Frequency 1e+6 Hz		ASTM D150
 3.5
@Frequency 60 Hz		3.5
@Frequency 60 Hz		ASTM D150
Dielectric Strength 17.0 kV/mm
@Thickness 3.20 mm		432 kV/in
@Thickness 0.126 in		Short time; ASTM D149
Dissipation Factor  0.020
@Frequency 1e+6 Hz		0.020
@Frequency 1e+6 Hz		ASTM D150
 0.060
@Frequency 60 Hz		0.060
@Frequency 60 Hz		ASTM D150
 
Thermal PropertiesMetricEnglishComments
CTE, linear 61.0 µm/m-°C
@Temperature 20.0 °C		33.9 µin/in-°F
@Temperature 68.0 °F		ASTM D696
Specific Heat Capacity 1.47 J/g-°C0.351 BTU/lb-°F
Thermal Conductivity 0.190 W/m-K1.32 BTU-in/hr-ft²-°FCenco-Fitch test
Maximum Service Temperature, Air 82.0 °C180 °FContinuous service temperature
 93.0 °C199 °FShort-term
Deflection Temperature at 1.8 MPa (264 psi) 99.0 °C210 °FASTM D648
Minimum Service Temperature, Air -40.0 °C-40.0 °F
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.491.49ASTM D542
Haze <= 1.0 %<= 1.0 %ASTM D1003
Transmission, Visible 92 %92 %ASTM D1003
 
Processing PropertiesMetricEnglishComments
Processing Temperature 171 - 193 °C340 - 379 °Fforming temperature

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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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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