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Overview of materials for Acrylic, Optical Grade, Molded

Category Polymer , Thermoplastic , Acrylic (PMMA) , Acrylic, Optical Grade, Molded
Manufacturer
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Overview of materials for Acrylic, Optical Grade, Molded.pdf
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Material Notes:
This property data is a summary of similar materials in the MatWeb database for the category "Acrylic, Optical Grade, 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.
Physical Properties Metric English Comments
Density 1.11 - 1.19 g/cc
0.0401 - 0.0430 lb/in³
Average value: 1.18 g/cc Grade Count:132
Water Absorption 0.300 %
0.300 %
Average value: 0.300 % Grade Count:23
Water Absorption at Saturation 0.300 - 2.00 %
0.300 - 2.00 %
Average value: 0.867 % Grade Count:3
Particle Size 230 - 600 µm
230 - 600 µm
Average value: 538 µm Grade Count:6
Viscosity 2.00e+6 - 2.00e+6 cP

@Temperature 240 - 240 °C
2.00e+6 - 2.00e+6 cP

@Temperature 464 - 464 °F
Average value: 2.00e+6 cP Grade Count:1
2.00e+6 - 2.00e+6 cP

@Shear Rate 100 - 100 1/s
2.00e+6 - 2.00e+6 cP

@Shear Rate 100 - 100 1/s
Average value: 2.00e+6 cP Grade Count:1
Linear Mold Shrinkage 0.00200 - 0.00800 cm/cm
0.00200 - 0.00800 in/in
Average value: 0.00420 cm/cm Grade Count:130
Melt Flow 0.700 - 40.0 g/10 min
0.700 - 40.0 g/10 min
Average value: 10.7 g/10 min Grade Count:131
Mechanical Properties Metric English Comments
Hardness, Rockwell M 48.0 - 99.0
48.0 - 99.0
Average value: 85.3 Grade Count:30
Tensile Strength, Ultimate 38.0 - 89.3 MPa
5510 - 13000 psi
Average value: 59.5 MPa Grade Count:125
Tensile Strength, Yield 60.0 - 72.0 MPa
8700 - 10400 psi
Average value: 69.4 MPa Grade Count:7
Elongation at Break 2.00 - 40.0 %
2.00 - 40.0 %
Average value: 8.79 % Grade Count:125
Elongation at Yield 2.00 - 6.00 %
2.00 - 6.00 %
Average value: 3.65 % Grade Count:10
Modulus of Elasticity 1.76 - 3.65 GPa
255 - 530 ksi
Average value: 2.86 GPa Grade Count:124
Flexural Yield Strength 48.3 - 124 MPa
7000 - 18000 psi
Average value: 94.3 MPa Grade Count:131
Flexural Modulus 2.00 - 3.45 GPa
290 - 500 ksi
Average value: 2.96 GPa Grade Count:20
Izod Impact, Notched 0.160 - 1.30 J/cm
0.300 - 2.44 ft-lb/in
Average value: 0.306 J/cm Grade Count:125
0.26695 - 0.800 J/cm

@Temperature 0.000 - 0.000 °C
0.50011 - 1.50 ft-lb/in

@Temperature 32.0 - 32.0 °F
Average value: 0.516 J/cm Grade Count:3
0.26695 - 0.800 J/cm

@Diameter 6.35 - 6.35 mm
0.50011 - 1.50 ft-lb/in

@Diameter 0.250 - 0.250 in
Average value: 0.516 J/cm Grade Count:3
Izod Impact, Notched (ISO) 1.70 - 2.20 kJ/m²
0.809 - 1.05 ft-lb/in²
Average value: 1.85 kJ/m² Grade Count:6
Charpy Impact Unnotched 1.80 - 2.60 J/cm²
8.57 - 12.4 ft-lb/in²
Average value: 2.00 J/cm² Grade Count:6
Charpy Impact, Notched 0.200 - 1.80 J/cm²
0.952 - 8.57 ft-lb/in²
Average value: 0.592 J/cm² Grade Count:9
Gardner Impact 0.226 - 9.04 J
0.167 - 6.67 ft-lb
Average value: 1.58 J Grade Count:106
Thermal Properties Metric English Comments
CTE, linear 30.0 - 120 µm/m-°C
16.7 - 66.7 µin/in-°F
Average value: 68.9 µm/m-°C Grade Count:127
72.0 - 72.0 µm/m-°C

@Temperature 0.000 - 156 °C
40.0 - 40.0 µin/in-°F

@Temperature 32.0 - 312 °F
Average value: 72.0 µm/m-°C Grade Count:2
Specific Heat Capacity 1.30 - 1.50 J/g-°C
0.311 - 0.359 BTU/lb-°F
Average value: 1.44 J/g-°C Grade Count:11
1.90 - 2.30 J/g-°C

@Temperature 100 - 175 °C
0.454 - 0.550 BTU/lb-°F

@Temperature 212 - 347 °F
Average value: 2.10 J/g-°C Grade Count:3
Thermal Conductivity 0.190 - 0.220 W/m-K
1.32 - 1.53 BTU-in/hr-ft²-°F
Average value: 0.205 W/m-K Grade Count:11
Melting Point 132 - 157 °C
270 - 315 °F
Average value: 150 °C Grade Count:7
Maximum Service Temperature, Air 50.0 - 100 °C
122 - 212 °F
Average value: 78.1 °C Grade Count:61
Deflection Temperature at 0.46 MPa (66 psi) 91.0 - 106 °C
196 - 223 °F
Average value: 100 °C Grade Count:7
Deflection Temperature at 1.8 MPa (264 psi) 60.0 - 104 °C
140 - 220 °F
Average value: 85.2 °C Grade Count:132
Vicat Softening Point 75.6 - 117 °C
168 - 243 °F
Average value: 102 °C Grade Count:122
Flammability, UL94 HB
HB
Grade Count:79
Glow Wire Test 650 °C
1200 °F
Average value: 650 °C Grade Count:6
Optical Properties Metric English Comments
Refractive Index 1.49 - 1.51
1.49 - 1.51
Average value: 1.49 Grade Count:22
Haze 0.400 - 12.0 %
0.400 - 12.0 %
Average value: 1.41 % Grade Count:122
Yellow Index -0.400 - 1.00 %
-0.400 - 1.00 %
Average value: 0.750 % Grade Count:8
Transmission, Visible 84.0 - 92.0 %
84.0 - 92.0 %
Average value: 91.6 % Grade Count:132
UV Transmittance 49.5 - 88.5 %
49.5 - 88.5 %
Average value: 75.2 % Grade Count:4
Electrical Properties Metric English Comments
Dielectric Constant 3.40 - 3.80
3.40 - 3.80
Average value: 3.67 Grade Count:8
Dielectric Strength 18.0 - 45.0 kV/mm
457 - 1140 kV/in
Average value: 21.4 kV/mm Grade Count:8
Dissipation Factor 0.0400 - 0.0500
0.0400 - 0.0500
Average value: 0.0471 Grade Count:7
Processing Properties Metric English Comments
Melt Temperature 193 - 260 °C
380 - 500 °F
Average value: 233 °C Grade Count:8
Mold Temperature 26.7 - 79.4 °C
80.0 - 175 °F
Average value: 55.0 °C Grade Count:7
Drying Temperature 71.1 - 79.4 °C
160 - 175 °F
Average value: 77.5 °C Grade Count:7
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