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Pad Printing Ink Drying and Curing Times For Applications & Ink Type Reference

TOUCH DRY (at room temperature)

DRY TIME INK TYPE
15 – 30 seconds

E - G - O - P - R - U - HS - NK - PC - PD - PG - PH - PK - PL

- PM

30 seconds B
1 – 2 minutes B/GL - J - W
Not Applicable SUB - UVHC - UVN - UVE
NOTE: When hardener is added to Type P ink the curing time is 5 to 6 days.
NOTE: Dust drying is temperature dependent for Types C and PO inks.

HEAT CURING (using Thermodiffusion & Infrared (IR) tunnels)

DRY TIME INK TYPE
1 – 30 seconds

B - B/GL - C - E - G - J - O - P - R - U - W - HS - NK - PC -

PD - PG - PH - PK - PL - PM

4 – 5 minutes SUB
2 – 6 min. @ 400°F 411
Not Applicable UVA - UVHC - UVN - UVE

ULTRAVIOLET CURING (using UV tunnel)

CURING TIMES INK TYPE
Less than 5 sec. UVA
2 – 5 seconds UVHC - UVN - UVE

NORMAL CURING (at room temperature)

DAYS INK TYPE
1 SUB
1 – 2 B/GL - C - E - G - O - P - U - NK - PD - PK - PM -
2 – 3 J - R - PG - PH
4 – 5 PL
5 – 6 B - PC - W
NOTE: When hardener is added to Type P ink, the curing time is 5 to 6 days.

 

Primocure Ink Drying Conveyor The Primocure from Trans Tech is an essential auxiliary item for the curing of pad printing inks in large and small production runs. Heat curing with this unit is an effective method for accelerating ink drying on pad printed parts so that they may be handled or packed without damage.

PAD PRINTING INKS HEAT CURING TIP:

To determine initial curing settings, expose a stationary part to heat source. Slowly increase temperature until part starts to melt or ink discolors. Note temperature and reduce by ten percent. Adjust time that part is exposed to heat to obtain desire cure.

Learn More About Pad Printing Inks & Additives

Pad Printing Ink Drying & Curing Times


GENERAL INFORMATION:
Drying & Curing for Non-UV Inks:

  1. Heating of parts after pad printing not only speeds up ink curing, but also usually provides better adhesion to the substrate materials.
  2. Times listed above may vary, depending on room temperature, humidity and additives that are mixed with the inks.
  3. Some pad printing inks have been proven to become increasingly harder up to two months later.
  4. For fast curing of pad printed parts, first determine the amount of heat the part can safely withstand without damage, then use that temperature as a reference for heating the part in a production mode. The general rule is: a higher temperature requires less time; a lower temperature requires more time.

Since operating conditions and applications are beyond our control, Trans Tech cannot guarantee results nor assume liability for any problem that may arise. The user should test the suitability of the product for its intended application. No warranty for results obtained, expressed or implied, can be assumed by Trans Tech.

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