Overview of materials for Acrylic, General Purpose, Molded

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Overview of materials for Acrylic, General Purpose, Molded
Categories:	Polymer; Thermoplastic; Acrylic (PMMA); Acrylic, General Purpose, Molded
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Acrylic, General Purpose, 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	Original Value	Comments

Density	0.700 - 1.30 g/cc	Average value: 1.17 g/cc Grade Count:279
Water Absorption	0.300 - 2.00 %	Average value: 0.423 % Grade Count:125
Moisture Absorption at Equilibrium	0.300 - 0.600 %	Average value: 0.399 % Grade Count:29
Water Absorption at Saturation	0.300 - 2.20 %	Average value: 1.23 % Grade Count:21
Linear Mold Shrinkage	0.00200 - 0.00800 cm/cm	Average value: 0.00446 cm/cm Grade Count:214
Melt Flow	0.112 - 40.0 g/10 min	Average value: 7.93 g/10 min Grade Count:279
Spiral Flow	22.0 - 51.0 cm	Average value: 32.1 cm Grade Count:22
	130 - 370 cm @Temperature 230 - 250 °C	Average value: 229 cm Grade Count:4
	130 - 370 cm @Thickness 2.00 - 2.00 mm	Average value: 229 cm Grade Count:4

Mechanical Properties	Original Value	Comments
Hardness, Rockwell L	40.0 - 54.0	Average value: 46.0 Grade Count:3
Hardness, Rockwell M	18.0 - 101	Average value: 84.4 Grade Count:130
Hardness, Rockwell R	69.0	Average value: 69.0 Grade Count:4
Ball Indentation Hardness	170 - 190 MPa	Average value: 179 MPa Grade Count:21
Tensile Strength, Ultimate	19.3 - 85.0 MPa	Average value: 64.6 MPa Grade Count:239
Tensile Strength, Yield	25.0 - 85.0 MPa	Average value: 60.5 MPa Grade Count:52
Elongation at Break	1.00 - 85.0 %	Average value: 10.1 % Grade Count:284
Elongation at Yield	2.00 - 6.00 %	Average value: 4.54 % Grade Count:58
Modulus of Elasticity	0.950 - 3.79 GPa	Average value: 2.93 GPa Grade Count:234
Flexural Yield Strength	33.1 - 143 MPa	Average value: 103 MPa Grade Count:238
Flexural Modulus	1.17 - 3.59 GPa	Average value: 2.88 GPa Grade Count:131
Compressive Yield Strength	36.5 - 117 MPa	Average value: 99.7 MPa Grade Count:9
Izod Impact, Notched	0.107 - 1.47 J/cm	Average value: 0.303 J/cm Grade Count:178
	0.240255 - 0.37373 J/cm @Temperature 0.000 - 0.000 °C	Average value: 0.463 J/cm Grade Count:6
	0.10678 - 0.80085 J/cm @Temperature 0.000 - 0.000 °C	Average value: 0.463 J/cm Grade Count:10
	0.10678 - 0.80085 J/cm @Thickness 3.17 - 6.35 mm	Average value: 0.463 J/cm Grade Count:10
	0.26695 - 0.85424 J/cm @Diameter 6.35 - 6.35 mm	Average value: 0.463 J/cm Grade Count:6
	0.26695 - 0.85424 J/cm @Temperature 0.000 - 0.000 °C	Average value: 0.463 J/cm Grade Count:6
Izod Impact, Notched (ISO)	1.30 - 19.0 kJ/m²	Average value: 3.13 kJ/m² Grade Count:23
Izod Impact, Unnotched (ISO)	2.10 kJ/m²	Average value: 2.10 kJ/m² Grade Count:4
Charpy Impact Unnotched	1.00 J/cm² - NB	Average value: 2.59 J/cm² Grade Count:90
Charpy Impact, Notched	0.120 - 1.30 J/cm²	Average value: 0.198 J/cm² Grade Count:65
Gardner Impact	0.226 - 6.33 J	Average value: 0.430 J Grade Count:104
Falling Dart Impact	2.17 - 18.6 J	Average value: 10.7 J Grade Count:4
Tensile Creep Modulus, 1 hour	1800 - 2700 MPa	Average value: 2460 MPa Grade Count:9
Tensile Creep Modulus, 1000 hours	1200 - 1800 MPa	Average value: 1580 MPa Grade Count:10
Taber Abrasion, mg/1000 Cycles	16.5	Average value: 16.5 Grade Count:4

Electrical Properties	Original Value	Comments
Electrical Resistivity	1.00e+10 - 1.00e+17 ohm-cm	Average value: 3.26e+15 ohm-cm Grade Count:38
Surface Resistance	2.60e+9 - 1.00e+16 ohm	Average value: 1.78e+15 ohm Grade Count:27
Dielectric Constant	2.44 - 4.00	Average value: 3.44 Grade Count:35
Dielectric Strength	15.0 - 60.0 kV/mm	Average value: 27.2 kV/mm Grade Count:42
Dissipation Factor	0.0200 - 0.190	Average value: 0.0497 Grade Count:37
Comparative Tracking Index	600 V	Average value: 600 V Grade Count:16

Thermal Properties	Original Value	Comments
CTE, linear	30.0 - 150 µm/m-°C	Average value: 70.7 µm/m-°C Grade Count:180
	72.0 - 149.4 µm/m-°C @Temperature -17.8 - 156 °C	Average value: 94.9 µm/m-°C Grade Count:26
Specific Heat Capacity	1.46 - 1.50 J/g-°C	Average value: 1.49 J/g-°C Grade Count:10
Thermal Conductivity	0.187 - 0.216 W/m-K	Average value: 0.199 W/m-K Grade Count:17
Maximum Service Temperature, Air	50.0 - 100 °C	Average value: 86.8 °C Grade Count:89
Deflection Temperature at 0.46 MPa (66 psi)	73.0 - 109 °C	Average value: 97.2 °C Grade Count:65
Deflection Temperature at 1.8 MPa (264 psi)	51.7 - 106 °C	Average value: 89.3 °C Grade Count:230
Vicat Softening Point	58.3 - 119 °C	Average value: 101 °C Grade Count:273
Heat Distortion Temperature	85.0 - 105 °C	Average value: 96.4 °C Grade Count:7
Glass Transition Temp, Tg	102 - 122 °C	Average value: 110 °C Grade Count:22
Flammability, UL94	HB	Grade Count:166
Oxygen Index	18.0 %	Average value: 18.0 % Grade Count:7
Glow Wire Test	650 - 700 °C	Average value: 662 °C Grade Count:30

Optical Properties	Original Value	Comments
Refractive Index	1.49 - 1.52	Average value: 1.49 Grade Count:127
Haze	0.300 - 100 %	Average value: 8.77 % Grade Count:171
Yellow Index	-7.50 - 6.50 %	Average value: 0.758 % Grade Count:25
Transmission, Visible	40.0 - 93.0 %	Average value: 90.3 % Grade Count:240
UV Transmittance	0.190 - 92.0 %	Average value: 77.4 % Grade Count:23

Processing Properties	Original Value	Comments
Processing Temperature	177 - 265 °C	Average value: 237 °C Grade Count:35
Nozzle Temperature	193 - 260 °C	Average value: 228 °C Grade Count:8
Adapter Temperature	230 - 240 °C	Average value: 235 °C Grade Count:4
Die Temperature	220 - 260 °C	Average value: 240 °C Grade Count:14
Melt Temperature	150 - 260 °C	Average value: 227 °C Grade Count:56
Mold Temperature	30.0 - 107 °C	Average value: 63.3 °C Grade Count:54
Roll Temperature	80.0 - 100 °C	Average value: 90.0 °C Grade Count:4
Drying Temperature	60.0 - 109 °C	Average value: 83.7 °C Grade Count:63
Injection Pressure	58.8 - 147 MPa	Average value: 104 MPa Grade Count:15
Annealing Temperature	60.0 - 90.0 °C	Average value: 77.1 °C 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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