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Conservation window films » Sun-X MT35 Medium Neutral



  • Minimal colour change to transmitted light
  • 65% Light Reduction
  • Solar Heat Gain Reduction 54%
  • Improves glass safety to BS6206 Class B

Sun-X MT35 Medium Neutral100 Micron Safety Window Film


Tower of London
Sun-X MT35 Medium Neutral Filter has been installed at the Tower of London to reduce high light levels without altering the colour of display items.


Technical data


MT35 Window Film Technical Data Chart

Source: CIE source D65 (daylight)
Source plus Sun-X MT35 Filter:
Sun-X MT35 Neutral Density UV Absorbing Filter


Normalised transmittance at 320nm = 0.0
Normalised transmittance at 380nm = 0.0
Normalised transmittance at 400nm = 14.3

  • Ri(1) = 99
  • Ri(2) = 99
  • Ri(3) =99
  • Ri(4) = 98
  • Ri(5) = 99
  • Ri(6) =100
  • Ri(7) = 98
  • Ri(8) = 98

UV content = 4 microwatts per lumen
x = 0.317 y = 0.335
Corellated colour temperature = 6262K
Ra = 99


Visible light transmission = 35%
Solar Energy Reflection = 54%
Solar Transmission = 33%
Glare Reduction = 60%

100 micron safety thickness - conforms to BS6206 (Class B)
High Performance Scratch Resistant Coating


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