Properties of Acrylic sheet
⊙Mechanical Properties: Typical Property Test Method Units Value Specific Gravity ASTM D-792 1.19 Tensile Strength ASTM-638 kg/cm2 690 Elongation, Rupture ASTM-638 % 4-6 Modulus of Elasticity ASTM-638 kg/cm2 28,000 Flexural Strength ASTM D-790 kg/cm2 1220 Compressive Strength(Yield) ASTM D-695 kg/cm2 1170 Impact Strength ASTM D-256 1b/inch 6.48 Izod (Notched) ASTM D-256 ft-lbs/inch 0.4 Rockwell Hardness ASTM D-785 M-97
⊙Optical Properties:
Typical Property |
Test Method |
Units |
Value |
Refractive Index |
ASTM D-542 |
|
1.49 |
Light Transmission |
ASTM D-1003 |
% |
92 |
⊙Thermal Properties:
Typical Property Test Method Value Forming Temperature Approx 150℃ (300℉) Deflection Temperature Under load, 264 psi ASTMD-648 95℃ Internal Shrinkage 2.0-3.0% Vicat Softening Point ASTM S-1525 112℃(223℉) Max Recommended Continuous Service Temperature 70℃(160℉) Coefficient of Linear Thermal Ecpansion(-18℃ to 38℃ Ave) ASTM D-696 0.000054cm / cm / ℃ Flammability, Buring Rate (0.125” thickness) D-635 25 mm / min Self Ignition Temperature D-1929 443℃ Specific Heat @77℉ 0.35 (BTU/lb ℉)