Röhm Acrylite® SG Acrylic Sheet, Sign Grade

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Röhm Acrylite® SG Acrylic Sheet, Sign Grade
Categories:	Polymer; Thermoplastic; Acrylic (PMMA); Acrylic, Impact Modified Sheet
Material Notes:	Data provided by CYRO Industries Continuously manufactured sheet developed for the sign market. Versatile, tough, lightweight, easy to fabricate and machine. Cutting, routing, drilling, forming, and cementing can be performed on this product. Used for channel letters, formed letters, and shapes a well as back-painted signs. Information Provided by Evonik CYRO. The former Evonik Methacrylates business has been sold to Röhm (Roehm) GmbH.
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Physical Properties	Metric	English	Comments

Density	1.17 g/cc	0.0423 lb/in³	ASTM D792
Water Absorption	0.30 %	0.30 %	24 hrs, 23°C; ASTM D570

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	82	82	ASTM D785
Tensile Strength, Ultimate	61.0 MPa	8850 psi	ASTM D638
Elongation at Break	15 %	15 %	ASTM D638
Tensile Modulus	2.60 GPa	377 ksi	ASTM D638
Flexural Yield Strength	97.0 MPa	14100 psi	ASTM D790
Flexural Modulus	2.74 GPa	397 ksi	ASTM D790
Izod Impact, Notched	0.340 J/cm	0.637 ft-lb/in	ASTM D256
Gardner Impact	2.30 J	1.70 ft-lb	B; ASTM D3029
Instrumented Impact Total Energy	6.20 J	4.57 ft-lb	Instrumented dart, total energy; ASTM D3763

Thermal Properties	Metric	English	Comments
CTE, linear	72.0 µm/m-°C @Temperature 20.0 °C	40.0 µin/in-°F @Temperature 68.0 °F	ASTM D696
Specific Heat Capacity	1.47 J/g-°C	0.351 BTU/lb-°F	typical of Acrylite® sheet
Thermal Conductivity	0.190 W/m-K	1.32 BTU-in/hr-ft²-°F	typical of Acrylite® sheet
Maximum Service Temperature, Air	71.0 °C	160 °F
Deflection Temperature at 1.8 MPa (264 psi)	93.0 °C	199 °F	ASTM D648
Vicat Softening Point	106 °C	223 °F	ASTM D1525

Optical Properties	Metric	English	Comments
Refractive Index	1.49	1.49	ASTM D542
Gloss	125 %	125 %	20°; ASTM D523
Transmission, Visible	90 %	90 %	ASTM D1003

Processing Properties	Metric	English	Comments
Processing Temperature	135 - 165 °C	275 - 329 °F	forming temperature

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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PCYR31 / 29170

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