tman07

When printing white ink on dark nylon,
one pass of squeegee,
does plastisol ink with catalast bleed through?

Does a white nylon ink bleed?

Is it best to print/flash/print?

Your experience on this is greatly appreciated.

Thanks in advance.

 

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Fluid

there shouldnt really be any bleeding with nylon you see bleeding more so with polyester. Nylon requires and bonding agent mixed with the ink. Straight plasticol will not bond properly and will fall off.

you can use s nylon ink or regular plasticol with nylon additive added. Nylobond is a good one.

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JohnZ

Dye migration shouldn't happen, but Getting inks to properly adhere to nylon is tricky. In the process, two main problems are likely to occur: shrinkage and bonding problems. First, nylon is highly prone to shrinkage when flash cured. Secondly, some nylon products, such as nylon jackets, are treated with waterproofing chemicals. These chemicals prevent the ink from bonding to the nylon.

1.) To deal with curing problems:

a. Shorten your curing times.
or
b. Preshrink the material before printing on it. Use this method if a shorter curing time does not allow the ik to properly adhere to the material.

2.) To prevent problems due to waterproofing:

a. Remove the coating prior to printing. One method to remove the coating is wiping the fabric with rubbing alchohol. However, the alcohol may create shade variation on the fabric.
or
b. Modify your ink to enhance their ability to adhere by introducing an adhesion promoter. Use this method if shade variation is a problem with the particular fabric you are using.

 

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