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The process of the garment ink

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Old December 27th, 2014 Dec 27, 2014 1:30:00 AM -   #1 (permalink)
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Default The process of the garment ink

1. Only print color inks on garment

  • Temperature for heat press: 330F340F(166oC170oC)
  • Time for pressing: 60S
  • Pressure: Low
  • Silicone paper on the garment before the pressing
Only print white inks on garment

First step: Pressing garment use the heat press machine with high pressure, It can ensure the t-shirt Cotton fiber becomes smooth. So that you can print graphics
Time for pressing:90 120S
Pretreatment
The print Area is 14cm*17cm, The amount of the treatment liquid is 20-25g(0.7 0z.-0.9 Oz.)
Most of treatment liquid will block the white ink permeate into the cotton, The white ink float on the t-shirt cotton, it can washed off by water, the image will Peel or crack. Used right amount treatment liquid can ensure print quality and washing degrees.


Step 2 After the Pretreatment
  • A. Silicone paper on the garment before the pressing
  • B. Temperature for heat press: 330F340F(166oC170oC)
  • C. Time for heat press: 30s-45s
    This time is to be observed to steam treatment liquid (smoke) in the hot pressing process, which can ensure the clothes are dried, the treatment liquid has been evaporated.
  • D. Pressure: Heavy
    Pressing garment use the heat press machine with heavy pressure, It can ensure the t-shirt Cotton fiber becomes smooth. So that you can print graphics
Correct Pre-treatment

The image below represents a shirt that has been properly pre-treated, printed, heat-pressed and subsequently washed through three (3) industrial washes. Note the white underbase and color retention.
This is a properly treated, printed and post-treated shirt.
http://www.dtgjet.com/photo/tc/ink1.jpg

Insufficient Pre-treatment

If too little pre-treatment solution is applied, the white ink will have a mottled appearance after printing. This is due to an insufficient amount of pre-treatment to keep the white ink layer on the surface (the ink soaks into the fibers of the shirt).
An example of insufficient pre-treatment:
http://www.dtgjet.com/photo/tc/ink2.jpg

Excessive Pre-treatment

Applying too much pre-treatment solution will provide you with a very good looking print prior to washing. However, excessive application of pre-treatment will cause poor wash fastness and durability. The white layer becomes much more susceptible to flaking off of the shirt in a wash if too much pre-treatment is applied.
Below, the shirt with an excessive amount of pre-treatment looks very good after printing and pressing:
http://www.dtgjet.com/photo/tc/ink3.jpg
The same shirt, with excessive pre-treatment solution applied is shown below after washing. This shirt exhibits cracking and loss of color associated with too much pre-treatment being applied.
http://www.dtgjet.com/photo/tc/ink4.jpg
The step up after white and color ink printing

  • A. Temperature for heat press: 330F340F(166oC170oC)
  • B. Time for heat press: 90s 120s
  • C. Pressure: Low
  • D. Silicone paper on the garment before the pressing
Washing method
When finished printing and heat pressing, Start washing after one day.
Correct Pre-treatment

The image below represents a shirt that has been properly pre-treated, printed, heat-pressed and subsequently washed through three (3) industrial washes. Note the white underbase and color retention.
This is a properly treated, printed and post-treated shirt.
http://www.dtgjet.com/photo/tc/ink1.jpg

Insufficient Pre-treatment

If too little pre-treatment solution is applied, the white ink will have a mottled appearance after printing. This is due to an insufficient amount of pre-treatment to keep the white ink layer on the surface (the ink soaks into the fibers of the shirt).
An example of insufficient pre-treatment:
http://www.dtgjet.com/photo/tc/ink2.jpg

Excessive Pre-treatment

Applying too much pre-treatment solution will provide you with a very good looking print prior to washing. However, excessive application of pre-treatment will cause poor wash fastness and durability. The white layer becomes much more susceptible to flaking off of the shirt in a wash if too much pre-treatment is applied.
Below, the shirt with an excessive amount of pre-treatment looks very good after printing and pressing:


http://www.dtgjet.com/photo/tc/ink3.jpg
The same shirt, with excessive pre-treatment solution applied is shown below after washing. This shirt exhibits cracking and loss of color associated with too much pre-treatment being applied.
http://www.dtgjet.com/photo/tc/ink4.jpg
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Old December 27th, 2014 Dec 27, 2014 8:50:49 AM -   #2 (permalink)
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Default Re: The process of the garment ink

Very nice overview.

Just need to keep in mind that different brands of inks have different cure times. For example, the recommended cure times for Epson F2000 inks are 45 seconds for colors only and 90 seconds for white inks.
Dupont inks are 90 seconds for colors and 150 to 180 seconds for white ink.

_
 






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