Cosmolight®│TOYOBO Water-wash flexo plate│Photo-functional materials department │TOYOBO

TOYOBO Ideas & Chemistry Photo-Functional Materials

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Outline

  • We, the pioneer of Printight®, a water–wash letterpress plate, have commercialized the world's first water–wash flexo plate, Cosmolight®. Our superior photopolymer technology produces a water–wash plate which is also durable to water–based ink, as well as solvent based and UV–ink.
    This revolutionary plate eliminates the need to use toxic, environmentally damaging washout solvents , and allows processing by "Water", one of our most abundant natural resources.
    Discover a fresh advantage with Cosmolight®, the leading water–wash, environmentally friendly flexo plate.

    CTP plate

Feature

Key advantages

    • 1. Washout in plain tap water with a small amount of mild detergent.*
      Eliminate the use of dangerous hydrocarbon and hazardous washout solvents.
      *General dishwash detergent is available.
    • 2. Plates are "press-ready" within an hour and "press-down time" is deamatically reduced.
    • 3. Excellent image reproducibility and ink transfer are compatible, and high quality printing can be obtained.
    • 4. Solvent-based, water-based, alcohol-base and UV ink can be used with excellent resistance.
    • 5. Excellent ink transfer and resistance with water-based varnish and UV varnish.
    • 6. Excellent plate thickness accuracy and light printing pressure.

  • Comparison of plate-making time

Structure of plate

Description

Item Plate
thickness		 Hardness
(shore A)		 Standard
plate size		 Main
Application		 Characteristic
NEW
NZ114U
NZ170T
1.14
1.7
76
69		 457×610
610×762
762×1016		 Flexible packaging
Label
Paper/Plastic bag
Beverage container		 Contirbute to reducing press-downtime by minimizing ink filling
Achives best printing quality by combining highest reproducibility with execlent ink transfer
Easy handling due to smooth plate surface
NEW
NTE114T
NTE170T
1.14
1.7
78
71		 457×610 Cloth tag
Adhesive tape		 Suitable for cloth tag printing with outstanding ink transfer and durability
Less dot gain for long run printing
Excellent solvent-based ink resistance
NS114F
NS170F
NS254F
NS284F		 1.14
1.7
2.54
2.84		 77
71
65
64		 457×610
610×762
762×1016		 Flexible packaging
Label
Paper/Plastic bag
Beverage container		 Less dot gain and smooth
High resolution and reproduction capability
Excelent ink transfer
NH95T
NH114T
NH170T		 0.95
1.14
1.7		 81
81
76		 457×610
610×762
762×1016		 Flexible packaging
Label		 Hard type of NS grade
NH95T can be used for letterpress (rotary) printing.
NEO114F
NEO170F
NEO254F
NEO284F		 1.14
1.7
2.54
2.84		 76
68
61
60		 457×610
610×762
762×1016		 Envelop
Paper products
Label
Varnish/Coating		 Less dot gain and sha
Outstanding ink transfer
Higher durability

※Special thickness and size plates can be produced with extra cost and delivery time upon request

Plate-making process

Washout by tap water with a small amount of mild detergent at 40℃.
Eliminate the use of dangerous hydrocarbon and hazardous solvents.

  • Expose to UV light through substrate film on back side of plate.

  • Peel the cover film off. Contact the emulsion side of a negative film onto plate surface.

  • Expose to UV light imagiwise through the negative film.

  • Remove the negative film and process the plate in Cosmolight® washout unit.

  • After wiping off the surface moisture, dry in a hot air dryer.

  • Expose to UV light again to complete photo-curing.

  • Expose to UV-C light to eliminate the tackiness of the plate surface.

  • Please follow all the laws and regulations in your district. (Please refer to SDS for details.)

FAQ

What is the recommended storage conditions?
To ensure a longer shelf life, store the unexposed plate in a dark room at a temperature below 25ºC(77Fº) and humidity below 70%.
How to prepare the appropriate wash solution?
Recommended water temperature is 40ºC(104Fº)
Washout in plain tap water with the small amount of mild detergent. (About 1wt% addition)
What is the appropriate optical density of negative film?
To prevent the non-image part from being exposed, negative film with the optical density more than 3.0 is recommended.
  • All products are produced with a quality control system as certificated by "ISO 9001" for the world.