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Elmet Technologies

Röhm Acrylite® GMS Acrylic Sheet, Aerospace Grade  (discontinued **)
Categories: Polymer; Thermoplastic; Acrylic (PMMA); Acrylic, Cast

Material Notes: Data provided by CYRO Industries

Is certified to meet or exceed Mil Spec MIL-P-5425, "Plastic, Acrylic Sheet, Heat Resistant." Used in aerospace transparent enclosures in monolithic or laminated form and in wing tip lenses, dust covers, or other optical uses.

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/in³typical of Acrylite® sheet
Water Absorption 0.20 %0.20 %24 hrs, 23°C; ASTM D570
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Ultimate 83.0 MPa12000 psiASTM D638
Elongation at Break 5.5 %5.5 %ASTM D638
 
Thermal PropertiesMetricEnglishComments
Specific Heat Capacity 1.47 J/g-°C0.351 BTU/lb-°Ftypical of Acrylite® sheet
Thermal Conductivity 0.190 W/m-K1.32 BTU-in/hr-ft²-°Ftypical of Acrylite® sheet
Deflection Temperature at 1.8 MPa (264 psi) 108 °C226 °FASTM D648
Vicat Softening Point 105 °C221 °FASTM D1525
 
Optical PropertiesMetricEnglishComments
Haze 0.60 %0.60 %
Transmission, Visible 92 %92 %ASTM D1003

**
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