Bronze spectral selector - Light

Lumen 50B

  • Category : Solar
  • Type : Low reflective
  • Shades : Neutral Bronze
  • % Light transmission : 50%
  • % Light reflection - outside : 28%
  • % Total solar energy rejected : 62%
Roll width
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Demonstration Video

Action on the infrared spectrum - lumen 50B IN

IR rejection test under controlled environment

The infrared lamp (75W) heats two steel plates connected to a thermometer, the whole being placed behind a glass plate (4mm).
The adhesive film presented on this page is stuck on the right side.
Actual test duration: 30 min

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Data sheet

Simple glazing
clear glass 4mm		Double glazing
clear glass 4/16/4mm
Optical property Low reflective
Shades (out/in) Neutral Bronze
Face of application on glazing Inside
Adhesive type CDA
% Light Transmission 50 47
% Glare reduction 44 43
% Light reflection (out/in) 28/24 32/26
Emissivity value 0.54
Winter value U (W/m²°K) 4.88 2.50
Value of solar g factor 0.38 0.46
Shading coefficient 0.44 0.53
% Transmission of solar energy 32 29
% Reflection of solar energy 38 37
% Absorption of solar energy 30 34
% Total solar energy rejected 62 54
% UV Transmission < 1
Colour Rendering Index 95 94
Film thickness (µm) 50
Limited warranty (years) 10

Compatibility on glazing

lumen 50B IN PR CDA
- Preapproved  |  - Recommended study  |  - Not approved
Single glazing
Clear or tinted
Double glazing
Clear or tinted
Double glazing
Clear Low-E #2
Double glazing
Clear Low-E #3
lumen 50B IN PR CDA

Data sheet

Type of medium Glass
Application on glazing Interior
Adhesive type CDA
Optical property Low reflective
Visibility Transparent
Glare problem Average
Heat problem in summer Low (+4°C)
Thermal insulation in winter No - Not necessary
Solar heat gain in winter Yes - Keep
Limit fading UV + IR + Light