Overview of materials for Acrylic, Impact Modified Sheet

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Overview of materials for Acrylic, Impact Modified Sheet
Categories:	Polymer; Thermoplastic; Acrylic (PMMA); Acrylic, Impact Modified Sheet
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Acrylic, Impact Modified Sheet". Each property range of values reported is minimum and maximum values of appropriate MatWeb entries. The comments report the average value, and number of data points used to calculate the average. The values are not necessarily typical of any specific grade, especially less common values and those that can be most affected by additives or processing methods.
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Physical Properties	Original Value	Comments

Density	1.15 - 1.18 g/cc	Average value: 1.17 g/cc Grade Count:8
Water Absorption	0.300 %	Average value: 0.300 % Grade Count:5
Linear Mold Shrinkage	0.00300 - 0.00600 cm/cm	Average value: 0.00450 cm/cm Grade Count:4

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	45.0 - 82.0	Average value: 63.0 Grade Count:6
Tensile Strength, Ultimate	50.0 - 68.0 MPa	Average value: 60.0 MPa Grade Count:4
Tensile Strength, Yield	39.0 - 62.0 MPa	Average value: 51.3 MPa Grade Count:4
Elongation at Break	5.30 - 25.0 %	Average value: 12.7 % Grade Count:4
Modulus of Elasticity	1.70 - 2.85 GPa	Average value: 2.38 GPa Grade Count:7
Flexural Yield Strength	57.0 - 97.0 MPa	Average value: 79.0 MPa Grade Count:6
Izod Impact, Notched	0.340 - 1.10 J/cm	Average value: 0.728 J/cm Grade Count:5
	0.200 - 0.500 J/cm @Temperature -18.0 - -18.0 °C	Average value: 0.325 J/cm Grade Count:4
Charpy Impact Unnotched	3.50 - 6.50 J/cm²	Average value: 5.00 J/cm² Grade Count:3
Gardner Impact	1.90 - 8.50 J	Average value: 4.24 J Grade Count:5

Thermal Properties	Original Value	Comments
CTE, linear	54.0 - 90.0 µm/m-°C	Average value: 71.4 µm/m-°C Grade Count:7
Deflection Temperature at 1.8 MPa (264 psi)	82.0 - 149 °C	Average value: 98.0 °C Grade Count:7
Vicat Softening Point	99.0 - 106 °C	Average value: 103 °C Grade Count:4

Optical Properties	Original Value	Comments
Refractive Index	1.49	Average value: 1.49 Grade Count:3
Haze	2.00 - 3.00 %	Average value: 2.50 % Grade Count:4
Transmission, Visible	90.0 - 92.0 %	Average value: 91.1 % Grade Count:7

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 go back to viewing the property data in MatWeb's normal format.

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O1332 / 77869

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