Dye Sublimation Printing Vs Screen Printing - What is the Difference?

Query: What is the difference between dye sublimation and screen printing?

Answer: The two styles of printing are markedly different. The similarities are that each are printed on substrates and each generate an image. Aside from that? Not a lot.

The screen-printing method utilizes an extremely labor intensive set up that you just don't have with dye sublimation printing.

I'll stroll you by means of the custom t shirt printing near me procedure as I know it fairly intimately, considering the fact that this can be where I started my career inside the graphics enterprise.

Central for the screen printing process will be the screen (duh, suitable?). The screen continues to be generally named a silkscreen, while silk has not been applied for a lot of decades considering the fact that the advent of nylon thread.

There are numerous forms of screen mesh, beginning at about 100 threads per square inch and going up to a number of hundred threads per square inch. The additional coarse mesh is becoming significantly less typical since it is utilized with oil-based enamel inks which have been replaced, by and significant, with UV inks, which we run via a 220 mesh count because the ink particulates are much smaller than using the older solvent inks.

The screen mesh is usually stretched and glued to a wood or aluminum frame, or attached to expandable frames or roller frames. When stretching the mesh over a frame, we normally take the pounds per square inch (as shown on a "Newton Meter) up to 25 or 26, and let the fabric stretch out over-night.

By the time 16 to 24 hours have passed, the meter will show that the tension has dropped off to about 15 pounds per square inch, and we repeat the approach, and also the screens ought to have in regards to the proper tension at about 20-22 lbs. per square inch tension, making a taut screen which will provide an excellent, clean print.

As soon as the screen is tensioned and attached to a frame, we ordinarily use a fabric tape to tape about the edges in the frame, each inside and out. This can be a semi-permanent solution to having ink leak out about the edges of your emulsion.

Now the screen is prepared for the photo sensitive emulsion, that is applied using a scoop coater, a variable length tray that emulsion is poured into. Just after applying the emulsion towards the screen, we move the screen to a flat, curtained drying/storage cabinet, where it dries. Different systems of coated screen storage will dry the coated screens at unique rates, but ours are often ready to expose within a couple of hours unless we put a fan on them.

When the emulsion-coated screens are dry, we are able to now place the film around the print side on the screen, in reverse, tape it in spot, and move it to a vacuum frame. The vacuum frame includes a huge piece of glass upon which the screen is placed, print side against the glass. A "blanket" is placed over the screen frame, along with a vacuum motor engaged, and also the screen is pressed tight against the glass.

The vacuum frame is now rotated to face an exposure light, which can be typically on a timer. The light is turned on, as well as the photo sensitive emulsion is exposed, but the places that are behind the film constructive stay susceptible to water. Immediately after the set quantity of time, typically six to ten minutes, the light will turn off, as well as the vacuum frame rotated back to laying flat, the pressure released, plus the screen removed and moved to a washout tank.

You can find semi-automated washout tanks which, when you place the screen into it, it can expose the image with water in a brief quantity of time. At this point we let the screen to dry, and we're prepared to spot it on the screen printing press.

Following making certain there are no pin holes (if there are actually, we use a blockout emulsion to fill them in), we tape the edges to make sure ink will not leak out around the edges on the print (a lot more of an issue on a clamshell press than one particular that lifts up and down, leaving the screen flat all the time). We line up the substrate, put in blockers, micro-adjust the screen to the substrate, and we're prepared to print.

The biggest weakness of screen printing is the fact that we've to make a brand new screen for just about every colour printed, generating the set up time for screen printing fairly time consuming. Nonetheless, due to the fact the printing course of action is extremely speedy, if you will find a large quantity of signs or decals or banners, and so forth.

Next, custom t shirts pour ink onto the screen, and print whatever it really is we're printing, say, bumper stickers or automobile window decals or stickers, or window sticker to get a organization, or indicators, or what ever our clients order.

Soon after printing, the excess ink is scooped back into the ink bucket, plus the screen removed to a washout tank, degreased, and prepped to repeat the course of action once again.

Dye sublimation printing of displays and banners is virtually usually done on polyester fabric due to the fact the chemistry of polyester is suited to dye sub printing. The chemistry involved in dye sublimation printing is fascinating to me, not only mainly because it really is a complicated procedure, but for the reason that the finish outcome is by far one of the most excellent printing of cloth banners, posters, and displays offered.

There are actually 4 dyes involved, similar to an inkjet printer. The colour coding for dye sublimate printing is really a bit different that the CMYK printing that inkjet printers carry out. The code for the dyes is CMYO (cyan magenta yellow overprint clear).

These dyes are screen printing near me on a specific transfer paper, then removed from the printer and matched up with an oxford, satin, knit, or other polyester material and sent by means of heated rollers at approx.. 400F combined using the stress of the rollers. In this procedure, the dye converts to a gas, and using the help with the heat and pressure, becomes fused with all the polyester fibers, and creates an certainly beautiful print (assuming the dyes and polyester are very good top quality).
06.10.2017 09:00:29

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