PLEXIGLAS^® GS 245
PLEXIGLAS^® GS 249
Properties
GS 249 properly stretched
Approvals
Sales Range
Color
Safety data sheet
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PLEXIGLAS^® GS 249 - Properties

Property	Test Method	Unit	Typical Value
Specific gravity	ISO 1183 (ASTM D 792)	g/cm3	1,19
Tensile strength	ISO 527-2/1B/5	MPa	80
	ASTM D 638 psi 11600	psi	11600
Tensile elongation	ISO 527 2/1B/5 (ASTM D 638)	%	5
Refractive index	ISO 489 (ASTM D 542)	---	1,49
Light transmittance
initial	EN 2155-5 (ASTM D 1003)	%	91
after accelerated weathing	ASTM D 1003	%	89
Haze
initial	EN 2155-9 (ASTM D 1003)	%	1,5
after accelerated weathing	EN 2155-9 (ASTM D 1003)	%	2,2
Ultraviolet transmittance	(l = 290 - 330 nm)	%	<= 1
Angular deviation	EN 2155-7 (ASTM D 637)	minutes	<= 4
Thermal expansion	EN 2155-12 ASTM D 696	1/K in./in./°F	7 x 10-5
Heat deflection temperature	ISO 71 -2Ae	°C	113
	ASTM D 648	°F	236
Vicat softening temperature	ISO 306-B 50	°C	118
Flammability	EN 3844-2 ASTM D 635	in/min	20 0,6
Water absorption standard long-term	MIL-P-8184 MIL-P-8184	% %	0.2 2.1
Crazing resistance dry: isopropyl alcohol lacquer thinner wet: isopropyl alcohol lacquer thinner isopropyl alcohol	MIL-P-8184 MIL-P-8184 MIL-P-8184 MIL-P-8184 EN 2155-19	psi psi psi psi MPa	2880 2328 2486 1925 16