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SEF Americas Heat Transfer Blog: Rules for Overlaying Heat Transfer Films

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Friday, April 17, 2015. Rules for Overlaying Heat Transfer Films. The array of colors in the SEF flex and flock film product line opens the door to endless design possibilities. While many different films can be heat pressed on top of one another, you should follow the few simple rules listed below for trouble-free applications. You can overlay any polyurethane flex film with any other flex film in the SEF heat transfer film product line. Four different films were used to create the graphic pictured....

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SEF Americas Heat Transfer Blog: Which Films Stick to Coated Fabrics?

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Wednesday, April 22, 2015. Which Films Stick to Coated Fabrics? Download or Print SEF Articles. Just before the beginning of WWII, American chemists developed synthetic polyamides. Polyamides are complex molecules called polymers, which are comprised of smaller “amide” monomers. In nature, these polyamide molecules occur as proteins in fibers, such as silk and wool. In the modern world, the best known polyamides are nylons. After the printed Tatoo Nylon has dried, squeegee HM350 to the applique using goo...

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SEF Americas Heat Transfer Blog: Stretching Garments Prior to Heat Pressing

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Tuesday, April 21, 2015. Stretching Garments Prior to Heat Pressing. Some screen printers, who print directly onto t-shirts or who print plastisol heat transfers, will stretch the garment before printing or heat pressing. By doing this, the weave of the shirt opens up allowing the ink to better penetrate the fibers of the fabric. This practice is believed to prevent cracking of the ink. While stretching garments may work when printing t-shirts or heat pressing plastisol heat transfers, you should not.

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SEF Americas Heat Transfer Blog: Heat Transfer Films: Hot, Warm or Cold Peel

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Wednesday, April 29, 2015. Heat Transfer Films: Hot, Warm or Cold Peel. Download or Print SEF Articles. After you heat press an applique to a garment, how long should you wait before peeling the carrier or the hot mask from the applique? A number of variables come into play. The answer depends in part on the physical properties of the hot melt adhesive and the type of carrier used on the heat transfer film. Of course, there’s more to it than that. Is available on this blog. The strength of adhesive bond ...

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SEF Americas Heat Transfer Blog: Evaluating Heat Transfer Films

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Wednesday, April 29, 2015. Evaluating Heat Transfer Films. Download or Print SEF Articles. How do you determine if one brand of heat transfer film is better than another? Today, most flex films are polyurethane. But not all polyurethane films are the same. In fact, the difference from one brand to another is staggering. Here’s what to look for in comparative shopping:. CUTTING, WEEDING and HANDLING. Many flex films have a tacky pressure sensitive carrier or backing sheet. The tacky carrier makes cutt...

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SEF Americas Heat Transfer Blog: The Difference between FlexCut Sticky and FlexCut Sweet

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Wednesday, April 22, 2015. The Difference between FlexCut Sticky and FlexCut Sweet. Download or Print SEF Articles. Both FlexCut Sticky and FlexCut Sweet are 100% polyurethane films. Other than that one similarity the two films are very different. Each product has its own unique performance properties. And these differences make one film a better choice for a specific application versus the other. Still both films have their place in the product mix. And both have their reasons for being. Big, block lett...

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SEF Americas Heat Transfer Blog: ReflexCut Sweet Reflective Heat Transfer Films

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Monday, April 20, 2015. ReflexCut Sweet Reflective Heat Transfer Films. Attention-getting films provide motorists with advance warning to prevent accidents. Most people avoid the limelight. Others need to be seen. This is especially true of people, who work and play in poor visibility environments. By wearing garments decorated SEF ReflexCut Sweet retro-reflective heat transfer films, these people get all the attention they desire. ReflexCut is ideal for decorating clothing worn by firemen, policemen, pa...

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SEF Americas Heat Transfer Blog: The Trouble with Shrinking Shirts

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Wednesday, April 22, 2015. The Trouble with Shrinking Shirts. Download or Print SEF Articles. Tips for Working with Heat Transfer Films. Should it be a surprise that cotton tee-shirts shrink? Even us guys know that! Cotton garments shrink. 100% cotton can shrink as much as 10% to 12%. Especially if you simmer the clothes in hot water in your washer, and then bake it on high in the dryer until it’s bone dry. If the tee-shirt shrinks, expect the applique to shrink too! Probably the best solution to the pro...

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SEF Americas Heat Transfer Blog: The Differences Between Polyurethane and Vinyl Films

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Friday, April 17, 2015. The Differences Between Polyurethane and Vinyl Films. Many in our industry use the all-encompassing term “heat transfer vinyl” to refer to any heat transfer flex film. The fact of the matter is that many of the heat transfer films on the market today are not vinyl at all. Much of what is sold today is polyurethane or a polyurethane blend. 100% polyurethane heat transfer films are much more elastic than plasticized vinyl films. Polyurethane films do not need plasticizers to make th...

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SEF Americas Heat Transfer Blog: Printing Tatoo with Seiko Fluorescent Inks

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Wednesday, April 22, 2015. Printing Tatoo with Seiko Fluorescent Inks. Download or Print SEF Articles. While the new Seiko neon inks are only available in Neon Yellow and Neon Pink, they are not just for spot colors. By replacing the light cyan and light magenta inks with the neon inks, you can give conventional 4-color process printing an unconventional and exciting fluorescent effect. Click Here to Access Printer Profiles. SEF Americas provides a toll-free technical support service at 844-720-9601.