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No matter with JPSS. Just make sure you pre-press to flaten fibers and take out moisture.
 
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Discussion Starter #8
Well, I tried the 3G paper with 100% cotton and 50/50. On the cotton the colors looked great just like they were printed but the 50/50 the white turned almost grey. Any ideas what would cause this?
 

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How do I keep the ink from bleedi ng? I use epson 1400 and Imprintable warehouse paper. I set the printer on text and image.
 

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Well, I tried the 3G paper with 100% cotton and 50/50. On the cotton the colors looked great just like they were printed but the 50/50 the white turned almost grey. Any ideas what would cause this?
When you printed the 100% cotton, the fibers took the ink, the 50/50. the poly does not and the cotton does. So I think the grey you see is the result of this. Maybe check your ink types, be sure you are using inks designed for polyester and cotton mix. Also I notices another post, a few corrections on that: Polyester shrinks really bad going through tunnel dryers and other final cure dryers However when regular laundry washing 50/50 shrinks less and 100% cotton always shrinks, unless your manufacture pre-shrinks the garment or you have your garment cut for estimated shrinkage in order to shrink after wash to the correct size. Anyway good luck, I hope you understand my advise on this as my factory manufactures T-Shirts all day long, so I have to know this for my customers that are printers.
 

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Funny, so far I have printed over 75 50/50 shirts (white, black, blue, grey, & light Yellow) using JPSS, 3G, & a number of other types of paper and no results as described above.

I am very pleased with all the transfer results using 50/50 shirts, and wash results have been very good as well.
 

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Discussion Starter #12
Well I just finished my order of 24 shirts among the colors were neon pink, neon green, royal blue, and sports grey the only one that did the same as the black w/ the color showing thru was the royal blue. They were all gilden 50/50. Not sure what that's all about I had the settings the same for all of them, very strange. And the blue ones were in the middle of the batch so I know it wasn't me.
 

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I have a quick question in regards to the 100% Cotton VS 50/50 debate. I am just starting out, I haven't tried the 50/50, doing pigment ink on JPSS paper prototypes on different white shirts from different manufacturers currently. Do you need to wash the 50/50 shirts first like you do the cotton ones (even if they are preshrunk they still shrink and mess up the transfer)? The reason for the question is I am trying to drill down on the cost of production and not having to wash and dry tee's will help out my bottom line, or so I think ;-).

If you have sold both have you encountered any negative reaction to the 50/50's? Personally, if I happen across a cool t-shirt I am not looking at the tag, I am looking at the design, hence the impulse buy portion of the equation. The primary portion of my business plan is a niche oriented to gamers and doing festivals with quirky designs, not looking initially to do bulk work for companies, local sports teams etc. The price differential between 50/50 and decent 100% cotton shirts is marginal, but having to wash the cotton one's and repress the entire shirt to bring back a "new" look increases the cost of the finished product.

Your input is appreciated.
 

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I have never washed a shirt before pressing. Never had a problem with either type of shirt with JPSS.
 

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Haven't seen anyone talk about the dyes in polyester blend shirts sublimating into the opaque paper. If the heat gets too high for too long the dyes change from a solid (dye in shirt) to a gas and that gas colors the opaque material. Not a problem with 100% cotton.
 
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