Glow in the dark yarn | Glow Yarn making process

Glow in the dark yarn | bernat yarn glow in the dark

   What is Glow Yarn: 

Glow yarn/ glow in the dark yarn is a revolutionary luminous filament yarn, developed by mixing, melting, and extruding Polyester chips with photoluminescent pigment.

Glow yarn automatically glows in the dark after absorbing sunlight for 3 minutes or luminous light for 20 minutes. One hour of sunlight exposure enables luminous glow yarn to emit light for up to 3 hours continuously. The light-absorbing process of absorbing-emitting-storing-emitting of glow yarn can be repeated infinitely.

  • the longest glow ever
  • highest luminosity
  • suitable for outdoor life
  • unlimited range of applications

Our Glow Yarn products automatically glow in the dark after absorbing sunlight for 10 minutes or strong fluorescent light (20 minutes at 25 cm distance with 200 Lux).


The light-absorbing capacity can be repeated indefinitely. The glow effect has complete durability after washing and cleansing and even boiling. Sunlight is the best source for absorbing light.

Fun Fact: People are using Glow in the dark yarn for fishing purposes and they call it Glow yarn fishing

How to make Glow Yarn in the Dark Yarn:


 These things are needed to do it-

  • White Yarn
  • Glow-in-the-dark Craft Paint
  • Container for dying



Glow Yarn making process


  First, take the 3oz bottle of glow in the dark paint and pour it all into the container you will dye the yarn in (we used an ice cream pail). Add 1/4 of a cup of water and stir. Now add the yarn and squeeze it till it is all saturated with the paint and water mixture. Squeeze out any excess and let the yarn dry. This can take a little while. Once it’s dry its ready to use. It will be a little stiff but once it’s played with a little it softens up.

Properties of Glow Yarn:


Product Absorbing time
Emitting Time Remarks
Yarn sunlight for

3 minutes

for 3 hours
luminous light for
10 minutes
Fabric sunlight for

3 minutes

from 1 till 3 hours In case you knit the fabric by using
our Glow yarn 30-35%

  • if you knit dtex 133 or 200 then emitting time is abt. 1.5 hours
  • if you knit dtex 220 and 440 then emitting time is up to 3 hours
luminous light for
10 minutes


Glow PET fiber for applications like:

  • Jacquard boa
  • fumbling
  • high pile 


Glow PET fiber is available as follows:


count: exclusively in dtex 9.16
cut length: 38 – 120 mm
put up type: bales of 200kg or 250 kg
available colors: raw white with yellowish/green glow effect
MOQ: 3000 kgs


 Successful applications of Glow Yarn  in sectors such as: 


  1. Government
  2. Leisure
  3. Transport
  4. Financial
  5. Navy
  6. Chemicals
  7. Education
  8. Industrial
  9. Hospitals
  10. Marine

     11. Power

  1. Retail.


  About The Writer

Farjana Ahmed Happy

 B.Sc in Textile Engineering & Management

BGMEA University of Fashion & Technology







                                                          You may read Graphene Fiber | Innovation of Smart Textile |   

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