Bronze spectral selector - Medium

Lumen 30B

  • Category : Solar
  • Type : Semi-reflection
  • Shades : Neutral Bronze
  • % Light transmission : 26%
  • % Light reflection - outside : 44%
  • % Total solar energy rejected : 76%
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Demonstration Video

Action on the infrared spectrum -- lumen 30B 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 Semi-reflection
Shades (out/in) Neutral Bronze
Face of application on glazing Inside
Adhesive type CDA
% Light Transmission 26 25
% Glare reduction 71 70
% Light reflection (out/in) 44/37 45/37
Emissivity value 0.53
Winter value U (W/m²°K) 4.91 2.50
Value of solar g factor 0.24 0.35
Shading coefficient 0.27 0.40
% Transmission of solar energy 16 15
% Reflection of solar energy 48 46
% Absorption of solar energy 36 39
% Total solar energy rejected 76 65
% UV Transmission < 1
Colour Rendering Index 93 92
Film thickness (µm) 50
Limited warranty (years) 10

Compatibility on glazing

lumen 30B IN SR 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 30B IN SR CDA

Data sheet

Type of medium Glass
Application on glazing Interior
Adhesive type CDA
Optical property Semi-reflective
Visibility Transparent
Glare problem Average
Heat problem in summer Average (+6°C)
Thermal insulation in winter No - Not necessary
Solar heat gain in winter Yes - Keep
Limit fading UV + IR + Light