PMMA GS

Properties Method (ASTM) Unity Typical values
PHYSICAL
Specific Gravity D-792 G/cm3 1,19
Water Absorption Coefficient (after 24 hours) D-570 % 0,30
OPTICAL
Refractive Index D-542 1,490
Light Transmission (sheetthicness -4 mm 420-440 mm) D-1003 % 92
MECHANICAL
Tensile Strength D-638 Mpa 65
Elongation at Break D-638 % 5
Flexure Strength D-790 Mpa 110
IZOD Impact Strength D-256 J/m 20
Rockwell Hardness D-785 M-scale 95
 THERMAL
 Vicat Softening Point  D-1525  °C  103
 Deflection temperature  D-648  °C 97
Thermal Expansion Coefficient D-696 cm/cm/°C 7×10-5
Max. Recommended Continuous Service Temperature °C 85
Thermal Forming Temperature °C 150-175
FLAMMABILITY
Burning Rate UL-94 inch/min 1,1

 

Download: Datasheet PMMA GS