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Ensinger PEI

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

Continuously manufactured sheet, weather resistant, easy to fabricate. Used in skylights, RVs, boat, motorcycle, and snowmobile fairings, signs, displays, and boutique items.

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
 
Mechanical PropertiesMetricEnglishComments
Hardness, Barcol 4848ASTM D2583
Hardness, Rockwell M 9393ASTM D785
Tensile Strength, Ultimate 69.0 MPa10000 psiASTM D638
Elongation at Break 4.5 %4.5 %ASTM D638
Tensile Modulus 2.80 GPa406 ksiASTM D638
Flexural Yield Strength 117 MPa17000 psiASTM D790
Flexural Modulus 3.30 GPa479 ksiASTM D790
Compressive Yield Strength 117 MPa17000 psiASTM D695
Izod Impact, Notched 0.220 J/cm0.412 ft-lb/inASTM D256
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 1.00e+16 ohm-cm1.00e+16 ohm-cmASTM D257
Surface Resistance 1.00e+15 ohm1.00e+15 ohmASTM D257
Dielectric Constant  2.8
@Frequency 1e+6 Hz		2.8
@Frequency 1e+6 Hz		ASTM D150
 3.6
@Frequency 60 Hz		3.6
@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 68.0 µm/m-°C
@Temperature 20.0 °C		37.8 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 71.0 °C160 °FContinuous service temperature
 88.0 °C190 °FShort-term
Deflection Temperature at 1.8 MPa (264 psi) 91.0 °C196 °FASTM D648
Vicat Softening Point 115 °C239 °FASTM D1525
Minimum Service Temperature, Air -34.0 °C-29.2 °F
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.491.49ASTM D542
Transmission, Visible 92 %92 %ASTM D1003
 
Processing PropertiesMetricEnglishComments
Processing Temperature 143 - 159 °C289 - 318 °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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