| Acrylic Data Sheet – Mechanical Properties |
ASTM Method |
Typical Value (.236″ Thickness) |
| Specific Gravity |
D792 |
1.19 |
| Tensile Strength |
D638 |
10,000 psi (69 M Pa) |
| Elongation, Rupture |
|
4.2% |
| Modulus of Elasticity |
|
400,000 psi (2800 M Pa) |
| Flexural Strength (Rupture) |
D790 |
16,500 psi (114 M Pa) |
| Modulus of Elasticity |
|
475,000 psi (3300 M Pa) |
| Compressive Strength (Yield) |
D695 |
18,000 psi (124 M Pa) |
| Modulus of Elasticity |
|
430,000 psi (2960 M Pa) |
| Shear Strength |
D732 |
9,000 psi (62 M Pa) |
| Impact Strength |
|
0.4 ft. lbs/in. of notch |
| Izod Milled Notch |
D256 |
(21.6 J/m of notch) |
| Rockwell Hardness |
D785 |
M-94 |
| Barcol Hardness |
D2583 |
49 |
| Residual Shrinkage (c) (Internal Strain) |
D702 |
2% |
|
| Acrylic Data Sheet – Optical (Clear Material) Properties |
ASTM Method |
Typical Value (.236″ Thickness) |
| Refractive Index |
D542 |
1.49 |
| Light Transmission, Total |
D1003 |
92% |
| UV Transmission |
|
0 at 320 Nanometers |
| Haze |
|
Less than 1% |
|
| Acrylic Data Sheet – Thermal Properties |
ASTM Method |
Typical Value (.236″ Thickness) |
| Forming Temperature |
D648 |
340-380°F (170-190°C) |
| Deflection Temperature under load 264 psi |
D648 |
210°F (99°C) |
| Vicat Softening Point |
D1525 |
239°F (115°C) |
| Max. RecommendedContinuous Use Service Temp. |
D696 |
180°F (82°C) |
| Coefficient of Linear Thermal Expansion |
D696 |
.000034 in/in-°F (.000061 m/m-°C) |
| Coefficient of Thermal Conductivity (k-Factor) |
Cenco-Fitch |
1.3 BTU (Hr) (Sq. Ft.) (°F/in.) (0.19 w/m-K) |
| Flammability (Burning Rate 3mm Thickness) |
D635 |
1.0 in/min. (25mm/min.) |
| Self-Ignition Temperature |
D1929 |
910°F (490°C) |
| Specific Heat @ 77°F |
|
0.25 BTU/(lb.) (°F) (1470J/Kg-k) |
| Smoke Density Rating |
D2843 |
10% |
|
| Acrylic Data Sheet – Electrical Properties |
ASTM Method |
Typical Value (.236″ Thickness) |
| Dielectric Strength Short Time (0.125″ Thickness) |
D149 |
430 volts/mil (17 KV/mm) |
| Dielectric Constant – 60 Hertz |
D150 |
3.5 |
| Dielectric Constant – 1,000 Hertz |
D150 |
3.2 |
| Dielectric Constant – 1,000,000 Hertz |
D150 |
2.7 |
| Dissipation Factor – 60 Hertz |
D150 |
0.06 |
| Dissipation Factor – 1,000 Hertz |
D150 |
0.04 |
| Dissipation Factor – 1,000,000 Hertz |
D150 |
0.02 |
| Volume Resistivity |
D257 |
1.6 x 1016 Ohm-cm |
| Surface Resistivity |
D257 |
1.9 x 1015 Ohms |
|
| Acrylic Data Sheet – Water Absorption |
ASTM Method |
Typical Value (.236″ Thickness) |
| 24 hrs. @ 73°F |
D570 |
0.2% |
| Weight Gain During Immersion |
D570 |
0.2% |
| Soluble Matter Lost |
D570 |
0.0% |
| Water Absorbed |
D570 |
0.2% |
| Dimensional Change During Immersion |
D570 |
0.2% |
| Weight Gain During Immersion – 7 Days |
D570 |
0.5% |
| Weight Gain During Immersion -14 Days |
D570 |
0.6% |
| Weight Gain During Immersion -21 Days |
D570 |
0.8% |
| Weight Gain During Immersion -35 Days |
D570 |
1.0% |
| Weight Gain During Immersion -48 Days |
D570 |
1.1% |
|
| Acrylic Data Sheet – Other Properties |
|
Typical Value (.236″ Thickness) |
| Odor |
|
None |
| Taste |
|
None |
