glassdbase: MGT Mayer Glastechnik

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The independent and comprehensive database for building glass.   Methods of measurements   Glossary

MGT Mayer Glastechnik: MGTherm HEAT MIRROR SC75/0.7

Float 1.1N 4mm, Folie SC75, SZR 28, Float 4 mm, Füllung SZR Argon
MGT Mayer Glastechnik, Feldkirch, Österreich

Reference number: F001005

Transmittance Te, Tv, Te/TvDiagram
Solar direct transmittance Te  [info]
Light transmittance Tv  [info]
Te/Tv  [info]
TeTvTe/TvAngle of incidence
0.3270.6300.519
0.3230.6260.51615°
0.3130.6170.50730°
0.2900.5900.49245°
0.2770.5700.48650°
0.2600.5390.48255°
0.2350.4930.47760°
0.2020.4260.47565°
0.1820.3830.47567.5°
0.1590.3340.47770°
0.1350.2820.47872.5°
0.1100.2290.48075°




Reflectance Re, Re'Diagram
Solar direct reflectance Re  [info]
Solar direct reflectance, inverted light propagation Re'  [info]
ReRe'Angle of incidence
0.3550.41515°
0.3590.42130°
0.3760.44445°
0.3860.45750°
0.4040.47755°
0.4290.50660°
0.4650.54765°
0.4910.57567.5°
0.5210.60670°
0.5520.63872.5°
0.5880.67675°




Absorptance Ae, Ae'Diagram
Solar direct absorptance Ae  [info]
Solar direct absorptance, inverted light propagation Ae'  [info]
AeAe'Angle of incidence
0.3220.26215°
0.3290.26630°
0.3340.26545°
0.3370.26650°
0.3360.26355°
0.3360.25860°
0.3330.25165°
0.3270.24367.5°
0.3200.23570°
0.3130.22772.5°
0.3020.21375°




Total solar energy transmittance g, g'Diagram
Total solar energy transmittance g  [info]
Total solar energy transmittance, inverted light propagation g'  [info]
gg'Angle of incidence
0.387*0.433*
0.3850.43015°
0.3760.42230°
0.3540.39945°
0.3420.38650°
0.3240.36855°
0.3000.34160°
0.2660.30565°
0.2450.28267.5°
0.2210.25670°
0.1950.22872.5°
0.1680.19875°

* Extrapolated value




Selectivity index Tv/g  [info]Diagram
Selectivity index Tv/g
Tv/gAngle of incidence
1.625*
1.62715°
1.64330°
1.66645°
1.66750°
1.66355°
1.64560°
1.60065°
1.56367.5°
1.51470°
1.44672.5°
1.36475°

* Extrapolated value




 
 
Spectral transmittance T  [info]Diagram

            
15°30°45°50°55°60°65°67.5°70°72.5°75°

  



Spectral reflectance R  [info]Diagram

           
15°30°45°50°55°60°65°67.5°70°72.5°75°

  



Spectral reflectance, inverted light propagation R'  [info]Diagram

           
15°30°45°50°55°60°65°67.5°70°72.5°75°

  



Spectral absorptance A  [info]Diagram

           
15°30°45°50°55°60°65°67.5°70°72.5°75°

  



Spectral absorptance, inverted light propagation A'  [info]Diagram

           
15°30°45°50°55°60°65°67.5°70°72.5°75°

  



 
Maximum temperature rise in temperature simulation (°C)  [info]


ΔTmax = 10.61°C





Coefficients of functions
Te, Tv, Ae  [info]

TeTvAe
-0.028242-0.057042-0.61981
-0.00037803-0.000359180.00041627
0.581450.833130.96846
69.1271.92692.886
10.218.62426.1952
1.63141.21161.0353




Secondary internal heat transfer factor  [info]

qi/Ae(φ=0°) = 0.192





Dynamic temperature simulation of a standard room  [info]

Location: Zürich
Time period: 1. August - 10. August
Orientation of windows: South
Air change rate: 1.0
initial temperature: 20° C
Standard room: 1A  [info]

Diagram
 Internal temperature
 External temperature
 Global radiation on a horizontally oriented surface
 Radiation on vertically oriented glass surface


 
General color rendering index Ra  [info]Diagram
General color rendering index Ra
RaAngle of incidence
95.0
94.715°
93.530°
90.745°
89.250°
87.455°
85.360°
83.065°
82.067.5°
81.070°
80.072.5°
78.975°




Brief information

No entries



Color rendering of 8 test colors according to EN 410: φ=0°  [info]Diagram




Color rendering of 8 test colors according to EN 410: φ=75°  [info]Diagram




ab-graph (color rendering)  [info]

Diagram



Color of transmitted D65-light  [info]Diagram




Color of reflected D65-light external  [info]Diagram




Color of reflected D65-light internal  [info]Diagram




ab-graph (T, R, R')  [info]

Diagram