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JUJO TECNICAL INFOMATION

HEAT CURE(REACTION)

Apr, 2001

1000 SERIES EPILITE INK

INTRODUCTIONS

1000 SERIES EPILITE INK is two-component epoxy resin ink. 1000 SERIES shows excellent adhesion to the substrates to which other ink cannot adhere.

APPLICATIONS

Unprimed metal, primed metal, glass, ceramics,thermo-setting resin, molded matters of treated polypropyrene.

CHARACTERISTICS

  • High gloss, superb adhesion.
  • High density and thick coating.
  • Excellent opacity.
  • Good resistance to oil, gasoline, alcohol and chemicals.

HOW TO USE

  • Add hardener of 20-30 parts to ink of 100 parts.
  • Add small quantity of EPILITE THINNER to the mixture. Stir well before print.
  • Be sure to use up the mixture within pot life.

MIXING RATIO OF HARDENER

  • More addition of hardener results in better flexibility.
  • Less addition of hardener results in hard surface and good resistance to scratch and chemicals.

POT LIFE

Ink and hardener react, which makes the mixture viscous in course of time. The mixture finally becomes solid. The pot life(=how long the mixture can be used) is normally 5-6 hours at 20°C(68°F). The pot life shortens to 2-3 hours when the temperature is 30°C(86°F).

DRYING

Temperature Tack free Cured Completely cured
20 2hours 24hours 5`10days
80 10minutes 20minutes 60minutes
100 5minutes 10minutes 30minutes
120 3minutes 6minutes 15minutes

STENCIL & WASHING UP

Use photo-stencil. Use EPILITE CLEANING THINNER for washing up.

COLORS & TYPE OF PACKING

Standard 13 colors. FC CLEAR(special-made). 1kg can.

PRECAUTIONS

  1. Better properties are obtained by heat cure than by cure at room temperature.
  2. CLEAR and WHITE slightly yellow by cured at >120°C(248°F).
  3. Add JA-1000 by 1-2% when the product is printed on glass or metal. Adhesion and properties are much improved by adding JA-1000.
  4. Additive is effected by humidity. Deteriorated additive cannot be used. Seal the container of additive after use and use it up as soon as possible.
  5. The lightfastness of EPILITE INK is not so good. Chalking occurs after outdoor exposure of a few months. Use APG INK or 2500 SERIES MIG-N(SD) INK which have better lightfastness.
  6. 1000 SERIES EPILITE INK is high-viscous and high-thixotropic to reproduce the patterns precisely. FC CLEAR(special-made) is available to obtain better levelling and better transparency. Please use FC HARDENER for FC CLEAR. FC HARDENER can be used for other colors as lower viscosity version of hardener.
  7. Please refer to MSDS before use.
  8. Be sure to do trial print before commercial run to confirm that the product fits the purposes.

PHYSICAL PROPERTIES

1001 WHITE is printed on aluminum plate and cured at 100°C(212°F) for 30 minutes.
Ink : hardener = 100 : 20

TEST ITEMS TEST METHODS RESULTS
Adhesion Cross hatch, peeling test 100/100 Passed
Hardness JIS K5400 8.4 scratch by pencil 3H - 4H
Impact resistance JIS K5400 8.3.2 Du Pont Impact test
1/2 inch, 500 grams, 50 cm
Passed
Ericsen value JIS K5400 8.2 Ericsen value 6mm Passed
Bending resistance JIS K5400 8.1 bending resistance 2mm Passed
Weathering resistance Outdoor exposure 45 degrees to south Gloss spoiled after 4 months
Water-proofness Immersion in water for 1 month Ink film: Passed
Adhesion: Spoiled
Boiling resistance Immersion in boiling water for 2 hrs. Ink film: Passed
Adhesion: Spoiled
Resistance to spray of salt water 5% salt water for 200 hrs. Passed
Acid resistance Immersion in 10% hydrochloric acid solution for 24 hrs. Passed
Immersion in 10% sulfuric acid solution for 24 hrs. Passed
Alkali resistance Immersion in 10% NaOH for 24 hrs. Passed
Alcohol resistance 200 rubs with ethanol Passed
Ethylacetate resistance Dropping of ethylacetate for 6 hrs. Passed
Gasoline resistance Immersion in gasoline for 24 hrs. Passed
  1. Value in this information is obtained in experiment and no guarantee is implied.
  2. Weathering resistance depends on the color. Please refer to lightfastness chart before use.