Author Topic: printing on non-woven polypropylene totes/bags...?  (Read 3804 times)

Offline spencer elliott

printing on non-woven polypropylene totes/bags...?
« on: June 18, 2011, 08:47:30 PM »
we are thinking about printing on non woven polypro totes and arent exactly sure how to go about it. 

what kind of ink would be used?  if plastisol then how would it be cured?  it seems as if a conveyor dryer would be too much heat for the polypro and likely melt it?  as would a flash we assume...?

is a waterbased ink used or is the polypro stuff just not worth printing on at all?

any help is appreciated.

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Offline Jason-23

Re: printing on non-woven polypropylene totes/bags...?
« Reply #1 on: June 18, 2011, 10:54:22 PM »
i really dont know but your ink supplier should know the trick...

Offline dburgessjr

Re: printing on non-woven polypropylene totes/bags...?
« Reply #2 on: June 19, 2011, 09:33:17 AM »
i just printed on some of those bags for our shop; as give-a-ways.  one thing to remember is that those bags are not going to be washed so making sure that the ink is at its fullest cure temp is not necessary.  also, even if you use light ink or dark bags, do not flash them.

we used regular plastisol ink, cut the dryer temperature by about half, raised the heating core about 12inches above the bags and sped the dryer belt up a considerable amount.

i think you are really going to have to just test a few and expect some waste until you figure out your correct settings.  If the bags come off the belt and the ink is still a bit to tacky I would have slowed the belt down a bit and tried again.  Once the ink felt like it wasn't going to stick to itself I let them go.  I melted 2 bags right off the get-go and after that I was able to dial in my settings.

Though I eventually got it to work fine, for the few extra pennies (.20) or so, I switched to using the canvas bags.  I can keep all my dryer settings the same and not worry about melting anything.


Offline royster13

Re: printing on non-woven polypropylene totes/bags...?
« Reply #3 on: June 19, 2011, 10:05:59 AM »
Is it worth printing them?.....If you look around you can usually find them very cheap already printed....Right now you can buy 100 printed heavy non woven grocery totes for 83.40 plus shipping....http://www.customcrest.com/UI/-.aspx?ptype=3&pid=543

Offline SkyLinePrints

Re: printing on non-woven polypropylene totes/bags...?
« Reply #4 on: June 19, 2011, 10:40:36 AM »
It is a special ink.  Wilflex has the ink and the mixture.  I purchased mine from Freedom Supply here in Atlanta.  The ink cures at a lower temperature. 

Have a great day! :)

Nathan Harrison
Skyline Prints Embroidery & Screen Printing
4982 Bill Gardner Pkwy
Locust Grove, GA 30248
(770) 914-1558
www.SkylinePrints.com

Follow us on Twitter at www.twitter.com/skylineprints or Facebook at http://www.facebook.com/skylineprints

Offline mk162

Re: printing on non-woven polypropylene totes/bags...?
« Reply #5 on: June 20, 2011, 07:34:19 AM »
I gotta agree with royster, it ain't worth it.  I get them for next to nothing from Bullet Line and I get them in 3 days.  Easy-peasy.

Offline SkyLinePrints

Re: printing on non-woven polypropylene totes/bags...?
« Reply #6 on: June 20, 2011, 08:27:52 AM »
if the customer orders them, then i agree with brad and royster.

however, i had a customer drop 1000 of these bags on me so I had to figure out how to print them which brings it back to the original question on how to print them. 

special ink, lower temp.  I had to reduce the oven temp and speed up the belt to accomplish the appropriate curing point.  if you are off, the bag will curl up in a ball, catch on fire, and melt.   :o

Offline royster13

Re: printing on non-woven polypropylene totes/bags...?
« Reply #7 on: June 20, 2011, 06:56:33 PM »
Most suppliers use air dry inks....Like Nazdar 9700....Then pass them under forced air with gentle heat and they dry real quick.....


Offline SBrem

Re: printing on non-woven polypropylene totes/bags...?
« Reply #8 on: June 21, 2011, 09:24:13 AM »
When we sell them directly, we let someone else do it. We are contract printers though, and when we do them for our contract customers, we have a clear primer that we spray on them, send them through our gas dryer at 250 fairly fast, then print them with NazDar 9500 series multi purpose air dry inks. A bit more of a pain, but it's been our best thing yet. And the ink is there to stay. I tried a waterbased product a couple of months ago that was highly recommended by some of the board members, but we hated it completely. Others have had good results with it, so maybe we were impatient, but when we do it our way, no problems at all.
Life's a load; you're either pulling it, pushing it, or it.


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