Columbus® OPTIMAL


Intended purposes


  • a coated blackout fabric that perfectly meets high standard requirements of public buildings
  • permanent flame retardant according to DIN 4102 B1
  • dirt-repellent
  • easy to clean
  • easy sewing and usage
  • 300 cm width on demand
  • 14 standard colours available - special colours on demand

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Intended purposes

  • complete blackout
  • glare and sun protection
  • panel curtains

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fabric    100 % Polyester-texture with several acrylate foam coatings

  approx. 150 cm
approx. 300 cm with at least 250 mtrs.
weight per run. m   approx. 450 g
weight per sq m   approx. 300 g
tear strength

  warp: approx. 450 N
weft: approx. 350 N
shrinkage   approx. 0 - 0,5 %
sound absorption   class D - αw 0,30
light absorption   100 % (complete blackout)
Fc value   0,69
permanent flame
according to DIN 4102 B1 approved and controlled by Prüfinstitut Hoch
care   OPTIMAL


pdfsound measurement report  

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  • flame retardant according to DIN 4102 B1
  • fire index no. 5.3
  • sound absorption measurements
  • light transmission measurements
  • light technical measurements:
    - light-specific
    - solar-specific
    - total energy transmission
    - reduction factor Fc
  • REACH conformity
  • ILO conformity

Further national and international test certificates are available or can be applied on short-term.

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