Polymethyl Methacrylate (Sheet) Gujpol-s (Pmma)

Product Features:
Typical Average Properties of GUJPOL-S (3 mm thick clear transparent sheet)
PropertiesMethod (ASTM)Value
Specific GravityD-792-64T1.18-1.20
Light Transmittance total D-1003-6192%
Refractive index nDD-5421.49
Tensile strength at ruptureD-638-64T570-760 kg/cm2
Elongation at ruptureD-638-64T2-7 %
Compressive strength at yieldD-695-63T1260 kg/cm2
Impact strength (charpy unnotched)D-256-56 16 - 20 kg/cm2
Izod milled notchedD-256-561.6-2.2kg-cm/cm
Rockwell hardness D-785-62M 100
Heat forming temperature 140-180A C
Heat distortion temp 2A C/min. at 264 p.s.i.D-648-56100A C
Maximum recommended continuous service temperature 85A C
Volume resistivityD-257-61>1015 ohm-cm
Burning rate (flammability)D-635-6330 mm/min
Water absorptionD-570-630.3%
Residual monomer (Wt %) 2.0 max.
*The specifications are indicative; and change as per the thickness of sheet.
Product Application:
Light fitting and fixtures
Street light covers
Sanitary articles
Sigh-boards and novelties
Helicopter canopies and oth