Laserfiche WebLink
Physical ite <br /> Properties cf r ACRYLIC SHEET <br /> ASTM Typical Value <br /> Property(a) Method (.236"Thickness)(b) <br /> Mechanical Specific Gravity D 792 1.19 <br /> Tensile Strength D 638 10,000 psi (69 M Pa) <br /> Elongation, Rupture 4.2% <br /> Modulus of Elasticity 400,000 psi (2800 M Pa) <br /> Flexural Strength (Rupture) D 790 16,500 psi (114 M Pa) <br /> Modulus of Elasticity 475,000 psi (3300 M Pa) <br /> Compressive Strength (Yield) D 695 18,000 psi (124 M Pa) <br /> Modulus of Elasticity 430,000 psi (2960 M Pa) <br /> Shear Strength D732 9,000 psi (62 M Pa) <br /> Impact Strength 0.4 ft. lbs/in.of notch <br /> Izod Milled Notch D 256 (21.6 J/m of notch) <br /> Rockwell Hardness D785 M-94 <br /> Barcol Hardness D 2583 49 <br /> Residual Shrinkage(c) (Internal Strain) D 702 2% <br /> Optical Refractive Index D 542 1.49 <br /> (Clear Material) Light Transmission,Total D 1003 92% <br /> UV Transmission 0 at 320 nanometers <br /> Haze Less than 1% <br /> Thermal Forming Temperature - 340-380°F (170-190°C) <br /> Deflection Temperature <br /> under load,264 psi D 648 210°F (99°C) <br /> Vicat Softening Point D 1525 239°F (115°C) <br /> Maximum Recommended Continuous <br /> Service Tern erature - 180°F (d) (82°C) <br /> Coefficient of Linear Thermal Expansion D 696 0.000040 in/in-°F (0.000072 m/m-°C) <br /> Coefficient of 1.3 BTU/(Hr) (Sq. Ft.) (°F/in.) <br /> Thermal Conductivity (k-Factor) Cenco-Fitch (0.19 w/m•K) <br /> Flammability (Burning Rate 1.2 in/min. <br /> 3mm thickness) D 635 (30.5 mm/min.) <br /> Self-Ignition Temperature D 1929 910°F(490°C) <br /> Specific Heat @ 77°F - 0.35 BTU/(lb.) (°F) <br /> (1470 J/Kg•k) <br /> Smoke Density Rating 3mm thickness) D 2843 11.4% <br /> Electrical Dielectric Strength <br /> Short Time (0.1 25"-thickness) D 149 430 volts/mil (17 KV/mm) <br /> Dielectric Constant <br /> 60 Hertz D 150 3.5 <br /> 1,000 Hertz 3.2 <br /> 1,000,000 Hertz 2.7 <br /> Dissipation Factor <br /> 60 Hertz D 150 0.06 <br /> 1,000 Hertz 0.04 <br /> 1,000,000 Hertz 0.02 <br /> Volume Resistivity D 257 1.6 x 10'5ohm-cm <br /> Surface Resistivity D 257 1.9 X 10t5ohms <br /> Water 24 hrs @ 73°F D 570 0.2% <br /> Absorption Weight Gain during Immersion0.2% <br /> Soluble Matter Lost 0.0% <br /> Water Absorbed 0.2% <br /> Dimensional Change during Immersion 0.2% <br /> Long Term Weight Gain during Immersion D 570 <br /> Water 7 days 0.5% <br /> Absorption 14 days 0.6% <br /> 21 days 0.8% <br /> 35 days 1.0% <br /> 48 days 1.1% <br /> Odor - None <br /> Taste - None <br /> NOTES:(a)Typical values:should not be used for specification purposes. V� <br /> (b)Values shown are for 6mm thickness unless noted otherwise.Some values will change with thickness. _ i <br /> (c)Difference in length and width,as measured at room temperature,before and after heating above 300°F .� 4 <br /> i (d)It is recommended that temperatures not exceed 180°F for continuous service,or 200°F for short,intermittent use. ) <br />