PMMA XT

Properties Method (ASTM) Unity Typical values
PHYSICAL
Specific Gravity D-792 G/cm3 1,19
Water Absorption Coefficient (after 24 hours) D-570 % 0,20
OPTICAL
Refractive Index D-542 1,490
Light Transmission (sheetthicness -4 mm 420-440 mm) D-1003 % 92
MECHANICAL
Tensile Strength D-638 Mpa 70
Elongation at Break D-638 % 5
Flexure Strength D-790 Mpa 115
IZOD Impact Strength D-256 J/m 20
Rockwell Hardness D-785 M-scale 90
THERMAL
Vicat Softening Point D-1525 °C 110
Deflection temperature D-648 °C 92
Thermal Expansion Coefficient D-696 cm/cm/°C 6×10-5
Max. Recommended Continuous Service Temperature °C 80
Thermal Forming Temperature °C 150-165
FLAMMABILITY
Burning Rate UL-94 inch/min 1,1

 

Download: Datasheet PMMA XT