Acrylic Data Sheet for Material Utilized in Desiccator Cabinets and Glove Boxes
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 |