PLEXIGLAS® XT Gray 99561 RP
PLEXIGLAS® SUPERCLEAR 99560 MR2R
Processing
Physical Form / Packaging
Properties
PLEXIGLAS® SUPERCLEAR 99560
EUROPLEX® 99506

Typical property values (at 23°C and 50 % relative humidity) PLEXIGLAS® superclear 99560 MR2R

Mechanical properties	Value	Unit	Test standard
Density	1.19	g/cm³	ISO 1183
Impact strength (Charpy)	15	kJ/m²	ISO 179/1fu
Notched impact strength (Izod)	1.6	kJ/m²	ISO 180/1A
Tensile strength (a) -40 °C (b) 23 °C (c) 70 °C	100 72 35	MPa	ISO 527-2/1B/5 *) ISO 527-2/1B/50
Elongation at break	4.5	%	ISO 527-2/1B/5
Flexural strength Standard test specimen (80 x 10 x 4 mm)	105	MPa	ISO 178
Compressive yield stress	103	MPa	ISO 604
Modulus of elasticity (short-term value)	3300	MPa	ISO 527-2/1B/1
Indentation hardness H961/30	175	MPa	ISO 2039-1
Abrasion resistance in Taber abrader test (100 rev.; 5.4 N; CS-10F)	< 1	% Haze	ISO 9352
Pencil hardness	6H²	-	ASTM 3363 ISO 15184 KS D6711:1992
Acoustical properties	Value	Unit	Test standard
Sound velocity (at room temperature)	2700...2800	m/s	-
Optical properties	Value	Unit	Test standard
Transmittance Ï„D65	> 93	%	DIN 5036 Part 3
UV transmission	< 1	%	-
Reflection loss in the visible range (for each surface)	3.3	%	-
Haze	< 0.5	%	ASTM 1003
Absorption in the visible range	< 0.05	%	-
Refractive index nD20	1.491	-	ISO 489
Inclusions	Number of defects	Unit	Test method
Ø: 0,10 mm to 0,25 mm	≤ 30	per m²	Magnification lens
Ø: 0,25 mm to 0,65 mm	≤ 7	per m²	Magnification lens
Ø: 0,65 mm to 1,65 mm	≤ 1	per m²	Magnification lens
Electrical properties	Value	Unit	Test standard
Volume resistivity	> 1015	ohm . cm	DIN VDE 0303/3
Surface resistivity	> 1012	ohm	DIN VDE 0303/3
Dielectric strength (1 mm specimen thickness)	~ 30	kV/mm	DIN VDE 0303, Part 2
Dielectric constant bei 50 Hz bei 0,1 MHz	3.7 2.8	- -	DIN VDE 0303, Part 4
Dissipation factor at 50 Hz at 0,1 MHz	0.06 0.03	- -	DIN VDE 0303, Part 4
Thermal properties	Value	Unit	Test standard
Coefficient of linear thermal expansion for 0...50 °C	7 . 10-5 (= 0.07)	1/K (mm/m °C)	DIN 53752-A
Thermal conductivity	0.19	W/mK	DIN 52612
U-value, for thickness 1 mm 2 mm	5.8 5.6	W/m²K	DIN 4701
Specific heat	1.47	J/gK	-
Max. permanent service temperature	70	°C	-
Ignition temperature	430	°C	DIN 51794
Fire rating (thickness ≥ 1.6 mm)	HB		UL 94
Vicat softening temperature	102	°C	ISO 306, Method B50
"Heat deflection" temperature under load (HDT) (a) deflection 1.8 MPa (b) deflection 0.45 MPa	90 95	°C °C	ISO 75 ISO 75

² Results may vary with different pencil sets. 6H was certified internally as well as by an independent external material testing laboratory.