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Ensinger PEI

Spartech Polycast Poly 2000 (Mil-P-25690;Class 1) Cell Cast Acrylic
Categories: Polymer; Thermoplastic; Acrylic (PMMA); Acrylic, Cast

Material Notes: Description: Cell Cast Acrylic

Information provided by Spartech.

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Physical PropertiesMetricEnglishComments
Specific Gravity 1.19 g/cc1.19 g/ccASTM D792
Water Absorption 0.20 %0.20 %24 hr immersion
Water Absorption at Saturation 2.6 %2.6 %26 day immersion
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Yield 83.4 MPa12100 psiASTM D638
Shear Strength 25.5 MPa3700 psiASTM D732
 
Thermal PropertiesMetricEnglishComments
CTE, linear 75.6 µm/m-°C
@Temperature 20.0 °C
42.0 µin/in-°F
@Temperature 68.0 °F
ASTM D696
Specific Heat Capacity 1.46 J/g-°C
@Temperature 25.0 °C
0.350 BTU/lb-°F
@Temperature 77.0 °F
Dupont 900 (Therm. An. Cal.)
Thermal Conductivity 0.187 W/m-K1.30 BTU-in/hr-ft²-°FCento-Fitch
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.491.49ASTM D542
Haze <= 1.5 %<= 1.5 %As Cast; ASTM D1925
 <= 3.0 %<= 3.0 %After 1000 hrs. Accelerated Weathering; ASTM D1449
Transmission, Visible 90 %90 %After 1000 hrs. Accelerated Weathering; ASTM D1449
 91 %91 %As Cast; ASTM D1003
 
Processing PropertiesMetricEnglishComments
Processing Temperature 103 °C218 °FHot Forming Temperature
 
Descriptive Properties
Crack Propagation2900 lbs/in 3/2Received at STD Conditions
Craze Resistance to IPA (Dry)3700 psiMil-P-8184
Craze Resistance to IPA (Wet)2750 psiMil-P-8184
Craze Resistance to Lacquer Thinner (Dry)3300 psiMil-P-8184
Craze Resistance to Lacquer Thinner (Wet)2650 psiMil-P-8184
Thermal Relaxation at 230°F3.3 %Mil-P-25690
Thermal Relaxation at 293°F45 %Mil-P-25690

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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