[luv2learn]

I was printing some sample canvas bags with black plastisol yesterday. I put the printed bags off to the side and decided to clean up before turning on the heat press for final cure. When I was ready to cure them, I noticed the ink looked "dry", duller than right after printing and when I touched the ink, nothing stuck to my fingertip. I looked at the back side of the print and noticed the oil or plasticiser had leaked into the canvas.

I have printed on canvas before, but never experienced this. Am I supposed to cure right after pulling off the press?

I just bought this ink from a local supplier (not sure what the brand is: they relabel) to replace some IC/ Ryonet ink I had bought on Craigslist that for some reason had the consistency of tar and was hard to print with ( but that ink did not separate)

Am I doing something wrong? Or is it the ink I'm using? ( am still in the learning phase too)
Thanks

 

[splathead]

Did you mix the ink before using it? If not, you should.

Separated ink or not, to me it's easier to cure while you print. Cuts your production time almost in half; not to mention all the space you won't have to use.

 

[luv2learn]

Thanks for replying. I did stir the ink before using. Had a nice "mayonaise" consistency. Since I was just doing a few sample prints and generally do small runs, I just lay the pieces down and then cure after I'm done cleaning up. ( a habit from when I printed with waterbase prints ).

When I bought this new ink, I bought two colors. Maybe I'll try the other one and see if it does the same thing as the black ink.

 

[jimcr]

I was printing some sample canvas bags with black plastisol yesterday. I put the printed bags off to the side and decided to clean up before turning on the heat press for final cure. When I was ready to cure them, I noticed the ink looked "dry", duller than right after printing and when I touched the ink, nothing stuck to my fingertip. I looked at the back side of the print and noticed the oil or plasticiser had leaked into the canvas.

I have printed on canvas before, but never experienced this. Am I supposed to cure right after pulling off the press?

I just bought this ink from a local supplier (not sure what the brand is: they relabel) to replace some IC/ Ryonet ink I had bought on Craigslist that for some reason had the consistency of tar and was hard to print with ( but that ink did not separate)

Am I doing something wrong? Or is it the ink I'm using? ( am still in the learning phase too)
Thanks

First thing I would need to know is what type of material the bad is made of . it will dictate what kind of ink you should be using , most likely its poly ink you will need and yes its like tar , warm it up some and add some curable reducer to it . your material may be wicking out all of the plasticiser before you can dry them and if thats the case ,try drying them right away. You could also try flashing them to see if in helps seal them from wicking.
Could be the ink , why relabeled? ask for the info on the ink and MSDS if they are relableing those 2 peices of info will get your desired information.
You also could be using the wrong type of ink .

 

[patlew]

I just finished printing some black canvas bags for a basketball team, 2 passes on each color and then flashed final cure. No problems, union maxopake plastisol ink.

 

[luv2learn]

The original ink I used that didn't give me trouble besides being too thick was Ryonet/IC ink.
Found these standard Ryonet inks for sale on Craigslist (lemon yellow, scarlet red, blue, white, black). Red and blue didn't give me any printing trouble, but both the yellow and black ink had a tar-like consistency. I stirred and stirred...
Someone suggested that perhaps the person I had bought the ink from could have used an additive?

The new black ink that's wicking out is "Triangle Ink" brand.
I was printing with 156 (or 160) mesh. Not sure if I should use 200 mesh on cotton canvas. I wanted a good ink deposit.

Still need to do a wash test to see if the separated ink indeed cured. On to some more testing.

Thanks for all your input so far.