Overview of materials for Acrylic, Gamma Radiation Resistant, Molded

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Overview of materials for Acrylic, Gamma Radiation Resistant, Molded
Categories:	Polymer; Thermoplastic; Acrylic (PMMA); Acrylic, Gamma Radiation Resistant, Molded
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Acrylic, Gamma Radiation Resistant, Molded". 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	Metric	English	Comments

Density	1.08 - 1.17 g/cc	0.0390 - 0.0423 lb/in³	Average value: 1.13 g/cc Grade Count:13
Water Absorption	0.300 - 2.00 %	0.300 - 2.00 %	Average value: 0.709 % Grade Count:9
Linear Mold Shrinkage	0.00300 - 0.00800 cm/cm	0.00300 - 0.00800 in/in	Average value: 0.00543 cm/cm Grade Count:7
Melt Flow	1.60 - 12.0 g/10 min	1.60 - 12.0 g/10 min	Average value: 5.35 g/10 min Grade Count:13

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	27.0 - 60.0	27.0 - 60.0	Average value: 37.8 Grade Count:6
Tensile Strength, Ultimate	36.3 - 50.3 MPa	5270 - 7300 psi	Average value: 43.2 MPa Grade Count:11
Elongation at Break	5.00 - 50.0 %	5.00 - 50.0 %	Average value: 24.0 % Grade Count:13
Elongation at Yield	3.60 - 4.50 %	3.60 - 4.50 %	Average value: 3.99 % Grade Count:7
Modulus of Elasticity	1.38 - 2.96 GPa	200 - 430 ksi	Average value: 2.06 GPa Grade Count:13
Flexural Yield Strength	46.9 - 85.5 MPa	6800 - 12400 psi	Average value: 64.8 MPa Grade Count:11
Flexural Modulus	1.65 - 2.45 GPa	240 - 355 ksi	Average value: 2.08 GPa Grade Count:7
Izod Impact, Notched	0.320 - 1.23 J/cm	0.600 - 2.30 ft-lb/in	Average value: 0.776 J/cm Grade Count:11
	0.42712 - 0.58729 J/cm @Temperature 0.000 - 0.000 °C	0.80017 - 1.1002 ft-lb/in @Temperature 32.0 - 32.0 °F	Average value: 0.534 J/cm Grade Count:3
	0.42712 - 0.58729 J/cm @Diameter 6.35 - 6.35 mm	0.80017 - 1.1002 ft-lb/in @Diameter 0.250 - 0.250 in	Average value: 0.534 J/cm Grade Count:3
Gardner Impact	3.05 - 7.34 J	2.25 - 5.42 ft-lb	Average value: 5.20 J Grade Count:4

Thermal Properties	Metric	English	Comments
CTE, linear	72.0 - 100 µm/m-°C	40.0 - 55.6 µin/in-°F	Average value: 88.4 µm/m-°C Grade Count:7
Deflection Temperature at 0.46 MPa (66 psi)	85.0 - 90.0 °C	185 - 194 °F	Average value: 87.6 °C Grade Count:4
Deflection Temperature at 1.8 MPa (264 psi)	70.0 - 85.6 °C	158 - 186 °F	Average value: 78.9 °C Grade Count:13
Vicat Softening Point	80.0 - 112 °C	176 - 234 °F	Average value: 95.1 °C Grade Count:13
Flammability, UL94	HB	HB	Grade Count:7

Optical Properties	Metric	English	Comments
Refractive Index	1.49 - 1.51	1.49 - 1.51	Average value: 1.50 Grade Count:5
Haze	2.00 - 7.00 %	2.00 - 7.00 %	Average value: 4.29 % Grade Count:7
Yellow Index	-1.00 - -0.300 %	-1.00 - -0.300 %	Average value: -0.440 % Grade Count:5
Transmission, Visible	80.0 - 91.0 %	80.0 - 91.0 %	Average value: 88.0 % Grade Count:13

Processing Properties	Metric	English	Comments
Melt Temperature	182 - 249 °C	360 - 480 °F	Average value: 223 °C Grade Count:5
Mold Temperature	48.9 - 82.2 °C	120 - 180 °F	Average value: 65.6 °C Grade Count:5
Drying Temperature	71.1 - 79.4 °C	160 - 175 °F	Average value: 74.4 °C Grade Count:5

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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