Picture frame - Glazing - Data sheet
General properties
| PLEXIGLAS® XT 0A000 (20070) or an equivelent standard – Solid sheet grade; Largely UV absorbing (largely resistant) , will not fade or discolour over time Conforms to BSI safety standard ISO 7823-2 Absolutely colourless and clear – Break-resistant to impact-resistant |
| Good resistance to diluted acids and to alkalis, limited resistance to organic solvents. Max. service temperature approx. 70°c |
Mechanical properties
| Poisson’s ratio (dilatation speed of 5 % per min; up to 2 % dilatation; at 23°c) |
0.37 |
|
| Density |
1.19 |
g/cm³ |
| Impact strength |
15 |
Kj/m2 |
| Notched impact strength aiN (lzod) |
1.6 |
kJ/m2 |
| Tensile strength |
MPa |
|
| – 40 °C |
100 |
MPa |
| 23 °C |
72 |
MPa |
| 70 °C |
35 |
MPa |
| Elongation at break |
4.5 |
% |
| Flexural strength Standard test specimen (80 x 10 x 4 mm3) |
105 |
MPa |
| Compressive yield stress |
103 |
MPa |
| Max. safety stress (up to 40 °C) |
5 |
MPa |
| Modulus of elasticity Et (short-term value) |
3300 |
MPa |
| Min. cold bending radius |
330 x thickness |
|
| Dynamic shear modulus G
at approx. 10 Hz |
1700 |
MPa |
| Indentation hardness H961/30 |
175 |
MPa |
| Abrasion resistance in Taber abrader test (100 rev.; 5,4 N; CS-10F) |
20 |
% Haze |
| Coefficient of friction | ||
| plastic / plastic |
0.8 |
|
| plastic / steel |
0.5 |
|
| steel / plastic |
0.45 |
|
|
Resistance to puck impact from |
12 mm (46/900 549) |
Thermal properties
|
Coefficient of linear thermal expansion for 0 – 50 °C |
7 |
1/K (mm/m °C) |
|
Possible expansion due to heat and moisture |
5 |
mm/m |
|
Thermal conductivity |
0.19 |
W/mK |
|
Specific heat c |
1.47 |
J/gK |
|
Forming temperature |
150 |
°C |
|
Max. surface temperature |
180 |
°C |
|
Max. permanent service temperature |
70 |
°C |
|
Reverse forming temperature |
> 80; |
°C |
|
Ignition temperature |
430 |
°C |
|
Smoke gas volume |
very little |
|
|
Smoke gas toxicity |
none |
|
|
Smoke gas corrosiveness |
none |
|
|
Class |
B2 |
|
|
German building inspectorate test report |
P-K018 |
|
|
Vicat softening temperature |
103 |
|
|
Heat deflection temperature under load (HDT) |
||
|
deflection 1.8 MPa |
95 |
|
|
deflection 0.45 MPa |
100 |
Electrical properties
|
Volume resistivity |
> 1015 |
Ohm · cm |
|
Surface resistivity |
5 |
Ohm |
|
Dielectric strength Ed (1mm thickness) |
~ 30 |
kV/mm |
|
Dielectric constant |
||
|
at 50 Hz |
3.7 |
|
|
at 0,1 MHz |
2.8 |
|
|
Dissipation factor tan |
||
|
at 50 Hz |
0.06 |
|
|
Tracking, CTI-Value |
600 |
Optical properties
|
Transmittance D65 |
~ 92 |
|
|
UV transmission |
No |
|
|
Reflection loss the visible range (for each surface) |
4 |
% |
|
Total energy transmittance g |
85 |
% |
|
Adsorption in the visible range |
< 0.05 |
% |
|
Refractive index nD20 |
1.491 |
Behaviour towards water
|
Water absorption (24 hrs, 23 °C) from dry state; |
38 |
Mg |
|
Max. weight gain during immersion |
2.1 |
% |
|
Permeability to |
g cm cm2 h Pa |
|
|
water vapour |
2.3 |
|
|
N2 |
4.5 |
|
|
O2 |
2.0 |
|
|
CO2 |
1.1 |
|
|
air |
8.3 |
