| 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 |
