Overview of materials for Acrylic, General Purpose, Molded

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Categories:

Polymer; Thermoplastic; Acrylic; 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	Metric	English	Comments

Bulk Density	0.650 - 0.710 g/cc	0.0235 - 0.0257 lb/in³	Average value: 0.673 g/cc Grade Count:18
Density	0.980 - 1.20 g/cc	0.0354 - 0.0434 lb/in³	Average value: 1.17 g/cc Grade Count:145
Water Absorption	0.300 - 2.00 %	0.300 - 2.00 %	Average value: 0.496 % Grade Count:78
Moisture Absorption at Equilibrium	0.300 - 0.600 %	0.300 - 0.600 %	Average value: 0.399 % Grade Count:29
Water Absorption at Saturation	0.300 - 2.20 %	0.300 - 2.20 %	Average value: 1.23 % Grade Count:21
Linear Mold Shrinkage	0.00200 - 0.00800 cm/cm	0.00200 - 0.00800 in/in	Average value: 0.00468 cm/cm Grade Count:84
Melt Flow	0.112 - 27.0 g/10 min	0.112 - 27.0 g/10 min	Average value: 6.18 g/10 min Grade Count:133

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell L	40.0 - 54.0	40.0 - 54.0	Average value: 46.0 Grade Count:3
Hardness, Rockwell M	18.0 - 99.0	18.0 - 99.0	Average value: 79.0 Grade Count:75
Hardness, Rockwell R	69.0 - 95.0	69.0 - 95.0	Average value: 77.7 Grade Count:7
Tensile Strength, Ultimate	19.3 - 80.0 MPa	2800 - 11600 psi	Average value: 63.4 MPa Grade Count:94
Tensile Strength, Yield	25.0 - 85.0 MPa	3630 - 12300 psi	Average value: 61.0 MPa Grade Count:52
Elongation at Break	1.00 - 85.0 %	1.00 - 85.0 %	Average value: 15.5 % Grade Count:125
Elongation at Yield	2.00 - 6.00 %	2.00 - 6.00 %	Average value: 4.54 % Grade Count:58
Modulus of Elasticity	0.950 - 3.79 GPa	138 - 550 ksi	Average value: 2.70 GPa Grade Count:113
Flexural Modulus	1.17 - 3.59 GPa	170 - 520 ksi	Average value: 2.77 GPa Grade Count:80
Flexural Yield Strength	33.1 - 143 MPa	4800 - 20700 psi	Average value: 99.3 MPa Grade Count:93
Compressive Yield Strength	36.5 - 124 MPa	5300 - 18000 psi	Average value: 105 MPa Grade Count:13
Charpy Impact Unnotched	1.37 J/cm² - NB	6.50 ft-lb/in² - NB	Average value: 3.04 J/cm² Grade Count:44
Charpy Impact, Notched	0.200 - 1.30 J/cm²	0.952 - 6.19 ft-lb/in²	Average value: 0.303 J/cm² Grade Count:17
Gardner Impact	1.40 J	1.03 ft-lb	Average value: 1.40 J Grade Count:3
Falling Dart Impact	2.17 - 18.6 J	1.60 - 13.7 ft-lb	Average value: 10.7 J Grade Count:4
Tensile Creep Modulus, 1 hour	1800 - 2700 MPa	261000 - 392000 psi	Average value: 2460 MPa Grade Count:9
Tensile Creep Modulus, 1000 hours	1200 - 1800 MPa	174000 - 261000 psi	Average value: 1580 MPa Grade Count:10
Taber Abrasion, mg/1000 Cycles	16.5	16.5	Average value: 16.5 Grade Count:4
Izod Impact, Notched	0.118 - 1.39 J/cm	0.220 - 2.60 ft-lb/in	Average value: 0.356 J/cm Grade Count:84
	0.240255 - 0.37373 J/cm @Temperature 0.000 - 0.000 °C	0.450096 - 0.70015 ft-lb/in @Temperature 32.0 - 32.0 °F	Average value: 0.463 J/cm Grade Count:6
	0.10678 - 0.80085 J/cm @Temperature 0.000 - 0.000 °C	0.20004 - 1.5003 ft-lb/in @Temperature 32.0 - 32.0 °F	Average value: 0.463 J/cm Grade Count:10
	0.10678 - 0.80085 J/cm @Thickness 3.17 - 6.35 mm	0.20004 - 1.5003 ft-lb/in @Thickness 0.125 - 0.250 in	Average value: 0.463 J/cm Grade Count:10
	0.26695 - 0.85424 J/cm @Diameter 6.35 - 6.35 mm	0.50011 - 1.6003 ft-lb/in @Diameter 0.250 - 0.250 in	Average value: 0.463 J/cm Grade Count:6
	0.26695 - 0.85424 J/cm @Temperature 0.000 - 0.000 °C	0.50011 - 1.6003 ft-lb/in @Temperature 32.0 - 32.0 °F	Average value: 0.463 J/cm Grade Count:6

Electrical Properties	Metric	English	Comments
Electrical Resistivity	1.00e+10 - 1.00e+17 ohm-cm	1.00e+10 - 1.00e+17 ohm-cm	Average value: 3.71e+15 ohm-cm Grade Count:33
Surface Resistance	2.60e+9 - 1.00e+16 ohm	2.60e+9 - 1.00e+16 ohm	Average value: 1.27e+15 ohm Grade Count:24
Dielectric Constant	2.80 - 4.00	2.80 - 4.00	Average value: 3.45 Grade Count:32
Dielectric Strength	17.7 - 60.0 kV/mm	450 - 1520 kV/in	Average value: 27.0 kV/mm Grade Count:39
Dissipation Factor	0.0200 - 0.0600	0.0200 - 0.0600	Average value: 0.0412 Grade Count:31
Comparative Tracking Index	600 V	600 V	Average value: 600 V Grade Count:16

Thermal Properties	Metric	English	Comments
CTE, linear	54.0 - 150 µm/m-°C	30.0 - 83.3 µin/in-°F	Average value: 81.0 µm/m-°C Grade Count:77
	72.0 - 149.4 µm/m-°C @Temperature -17.8 - 156 °C	40.0 - 83.00 µin/in-°F @Temperature 0.000 - 312 °F	Average value: 94.9 µm/m-°C Grade Count:26
Specific Heat Capacity	1.46 - 1.50 J/g-°C	0.349 - 0.359 BTU/lb-°F	Average value: 1.47 J/g-°C Grade Count:9
Thermal Conductivity	0.187 - 0.216 W/m-K	1.30 - 1.50 BTU-in/hr-ft²-°F	Average value: 0.199 W/m-K Grade Count:21
Melting Point	130 - 157 °C	266 - 315 °F	Average value: 137 °C Grade Count:4
Maximum Service Temperature, Air	71.0 - 98.0 °C	160 - 208 °F	Average value: 89.4 °C Grade Count:22
Deflection Temperature at 0.46 MPa (66 psi)	73.0 - 109 °C	163 - 228 °F	Average value: 94.2 °C Grade Count:50
Deflection Temperature at 1.8 MPa (264 psi)	51.7 - 106 °C	125 - 223 °F	Average value: 89.8 °C Grade Count:113
Vicat Softening Point	58.3 - 119 °C	137 - 246 °F	Average value: 98.3 °C Grade Count:133
Annealing Point	60.0 - 90.0 °C	140 - 194 °F	Average value: 77.1 °C Grade Count:7
Glass Transition Temp, Tg	100 - 122 °C	212 - 252 °F	Average value: 109 °C Grade Count:21
Flammability, UL94	HB	HB	Grade Count:61
Oxygen Index	18.0 %	18.0 %	Average value: 18.0 % Grade Count:7
Glow Wire Test	700 °C	1290 °F	Average value: 700 °C Grade Count:7

Optical Properties	Metric	English	Comments
Refractive Index	1.38 - 1.52	1.38 - 1.52	Average value: 1.49 Grade Count:95
Haze	0.500 - 98.0 %	0.500 - 98.0 %	Average value: 8.32 % Grade Count:73
Yellow Index	-7.50 - 6.50 %	-7.50 - 6.50 %	Average value: 0.882 % Grade Count:25
Transmission, Visible	77.0 - 93.0 %	77.0 - 93.0 %	Average value: 90.0 % Grade Count:130
UV Transmittance	0.190 - 2.50 %	0.190 - 2.50 %	Average value: 0.963 % Grade Count:3

Processing Properties	Metric	English	Comments
Processing Temperature	177 - 265 °C	350 - 509 °F	Average value: 237 °C Grade Count:59
Feed Temperature	200 - 220 °C	392 - 428 °F	Average value: 210 °C Grade Count:4
Rear Barrel Temperature	150 - 230 °C	302 - 446 °F	Average value: 193 °C Grade Count:4
Middle Barrel Temperature	180 - 250 °C	356 - 482 °F	Average value: 230 °C Grade Count:23
Front Barrel Temperature	210 - 240 °C	410 - 464 °F	Average value: 224 °C Grade Count:5
Nozzle Temperature	220 - 245 °C	428 - 473 °F	Average value: 231 °C Grade Count:5
Adapter Temperature	230 - 240 °C	446 - 464 °F	Average value: 235 °C Grade Count:4
Die Temperature	220 - 260 °C	428 - 500 °F	Average value: 240 °C Grade Count:14
Head Temperature	225 - 240 °C	437 - 464 °F	Average value: 233 °C Grade Count:4
Mold Temperature	32.2 - 107 °C	90.0 - 225 °F	Average value: 64.4 °C Grade Count:48
Roll Temperature	80.0 - 100 °C	176 - 212 °F	Average value: 90.0 °C Grade Count:4
Drying Temperature	60.0 - 109 °C	140 - 228 °F	Average value: 84.3 °C Grade Count:58
Dry Time	2.00 - 6.00 hour	2.00 - 6.00 hour	Average value: 3.24 hour Grade Count:56
Injection Pressure	58.8 - 147 MPa	8530 - 21300 psi	Average value: 104 MPa Grade Count:14
Screw Speed	20.0 - 80.0 rpm	20.0 - 80.0 rpm	Average value: 52.5 rpm Grade Count:6

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 consistant 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 disclaimer and 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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