Introduction
DTF printing is one of the newest, yet it is currently one of the most sought-after digital printing techniques. Thanks to its unmatched versatility and sharp prints, t-shirt customization has reached a whole new level.
At the heart of this technique is its use of transfer films. Printing on films allows this method to print on all fabrics, regardless of color. It’s one of the secrets why DTF is so versatile. However, printing on DTF films isn’t as simple as it sounds. You must choose between cold-peel and hot-peel DTF sheets to maximize your ideal results.
The significant difference between the two is that hot peel can be removed immediately after pressing, while cold peel requires cooling before removal for a stronger, longer-lasting bond. But that isn’t the only distinct characteristic they offer. They are more than just two films with varying peeling requirements. This comparison guide will let you know more about how they differ.
The Main Difference Between Hot Peel Film And Cold Peel Film
Aspect | Hot Peel | Cold Peel |
Application process | Immediately peel after pressing | Needs to cool down before peeling |
Adherence | Bonds faster with the fabric | Bonds slower as it cools down |
Material Compatibility | Ideal for lighter, thinner fabrics (cotton, polyester, blended) | Best used for thicker, heavier garments (hoodies, denim, textured fabrics) |
Finished Texture | Smoother, flatter surface | More rigid feel, and a plastic-like texture |
Durability | Less durable, more prone to cracks and peeling | More durable, less prone to cracking and peeling |
Part of DTF printing’s versatility can be owed to the availability of its resources, which cater to different applications. All those consumables that offer unique print properties make this method all the more suited for high customization.
Hot-peel and cold-peel DTF films are no different. Both offer unique qualities in terms of their functions and usage. This section highlights the key aspects of these two DTF films that differ from one another.
Application Process
There’s not much difference between the two regarding the application process. Both still depend on the general process of DTF film printing. However, there’s a difference at the peeling stage.
For hot peel, you can instantly peel off the film after running it on the heat press. At the same time, cold peel requires waiting until the sheet is at room temperature before peeling.
Adherence
The hot peel film offers instant adhesion, even while still warm. This film type is designed to bond the printed design without the need for cooling. On the other hand, cold-peel films are slower to adhere. They need to reach room temperature first to achieve a strong bond.
Material Compatibility
Hot-peel films work best for lighter fabrics like cotton, polyester, or blended. These fabrics tend to absorb the design much faster, ditching the need for cooling down.
In contrast, a cold-film peel is more relevant to thicker and heavier garments. Fabrics like those used in denim and hoodies tend to absorb the ink much more slowly. Colling down the print before peeling ensures the transfer wouldn’t warp due to premature bonding.
Finished Texture
If you use hot-peel film, you’ll notice a smoother texture. Lighter fabrics allow for a more flattened texture as they firmly integrate the prints. Soft-peel films, however, result in a more rigid or plastic-like texture. They tend to transfer thicker prints since they’re more compatible with thicker fabrics.
Durability
Cold-peel transfers often get the edge when it comes to durability. Their thicker prints ensure more robust bonding with the fabric. They are also more resistant to wear and wash cycles.
While the hot-peel film offers faster bonding, it is still less durable. Due to its thinner nature, it is most likely to crack faster.
Detailed Differences Between Hot Peel Film And Cold Peel Film
If you’re still unsure which film to choose, here’s a more detailed rundown of the differences between the hot peel and cold peel DTF films.
Main Ingredients
Like their general application principles, hot peel and cold peel films also share some common materials. They both involve adhesives and release coatings. Yet, the adhesive used in cold peel films is better regarded for its stronger bond. This makes cold peel better for durable, long-lasting prints. Hot peel films often use a quicker-setting adhesive that gives you the edge for faster application.
Pressing Time and Temperature
You need higher heat and shorter pressing durations for hot peel films. The high heat softens the adhesive so it can be peeled off immediately after pressing. Expect to press for around 10-15 seconds at around 320°F (160°C).
On the other hand, cold peel films need a slightly longer pressing time, around 5 seconds more, but at similar temperatures. After pressing, the design must cool down before peeling the film. This extra wait time helps the adhesive set more firmly.
Applicable Scenarios
Hot peel films are perfect for lighter fabrics or quick jobs, especially if you need fast results. They’re often used for small runs or situations where speed is crucial. Cold peel films, on the other hand, excel on darker fabrics and heavier garments. They’re best for long-lasting prints or when durability is key.
Effect Comparison
In terms of finished effects, hot peel films typically give a smoother feel and more integrated design, but they may not last as long. Cold peel films create a thicker, more durable print, but it can feel a bit stiffer. Overall, the cold peel is more wash-resistant, making it a better choice for high-quality, long-lasting prints.m or cold peel film, which one is better?
How do you store DTF film correctly?
Like most DTF supplies, DTF films also need extra care to avoid damage. Hence, you must store it properly to avoid scratches, dents, and tears. All these compromise the film’s integrity and lead to poor print results.
1. Keep It in a Cool, Dry Place
Extreme temperatures and humidity do no good to your films. They’re the most common culprit to warped and distorted DTF films. Once moisture seeps into your films, their adhesive coating gets compromised. Hence, you should keep them in special storage that is dry and cool. Such storage shouldn’t exceed 60% humidity and should have a temperature range of 18-24°C.
2. Store Away from Direct Light
Keeping your films dry doesn’t mean stacking them up below direct sunlight. They must be stored in shaded areas, away from direct UV rays. Sunlight also harms your film as it can degrade the film’s coating.
3. Keep Film in Original Packaging
You might be tempted to remove the sheets and stack them high up to save on storage space. However, doing so will only compromise your supplies. The original packaging is supposed to keep dust and dirt at bay. This way, your films are protected against scratches and tears.
Stacking them all up is also a bad decision. The weight on top can put pressure on the film, causing creasing and bending.
4. Keep Away from Chemicals
DTF film should stay clear of chemicals like solvents and oils. These can mess with the adhesive and damage the film. Chemical exposure can weaken the bond, causing poor prints or failed transfers. Keep the film away from cleaners or any chemicals that could harm it.
5. Keep Away from Sharp Objects
Dirt alone can damage the surface of your films— that’s how vulnerable they are to damage. Hence, storing them near sharp or pointy objects is a mistake you don’t want to make. Scissors, cutters, and knives can easily puncture and cut through your film. So, never place them near these objects to avoid the risks of damage.
FAQs
What is DTF Film?
DTF films are an integral part of direct-to-film printing. They are those thin, PET films where you print your design. Unlike other printing methods, DTF printing involves printing designs on a transfer sheet. This sheet is then applied with a special powder coating and cured. Only after this can you heat press the design on the shirt. As the name suggests, you cannot do DTF transfers without a DTF film.
What are the printer and equipment requirements for DTF Film?
Ensuring successful DTF prints means having the right printer and equipment setups. DTF printing involves multiple printing stages, hence the need for complete sets of equipment to render quality prints.
Here’s a rundown of those essentials you need to get your hands on.
DTF Printer: First things first: a DTF printer. This equipment is the lifeline of all your prints. You can opt for a converted inkjet printer if you’re on a budget. Ensure you’re using the compatible ink, printer setting, and a proprietary tank for white ink. If you’re working on smaller designs, you can go for an A4 or A3 printer. Matching your printer and film size helps render more accurate designs.
DTF Ink: DTF inks are often water-based. Make sure to follow the recommended ink type that’s compatible with your film. Using the wrong ink can lead to peeling, cracking, or designs that don’t stick.
Heat Press Machine: The heat press machine is another component of DTF transfers. You can’t proceed with your transfer without this machine. The typical heat setting for most DTF transfers ranges from 160°C to 170°C (320°F to 338°F). However, your film choice has the final say about the most accurate and suitable temperature. Going outside its recommended heat setting can either melt away the film or cause improper design transfer.
The pressure setting is usually set at medium to firm pressure. If your machine has a pressure tracker, this is around 40-60 psi. These pressure and heat settings allow you to transfer your design within 10-15 seconds of heat pressing.
Curing Oven: DTF printing involves using hot melt powder. This adhesive is responsible for gluing your design to the shirt more firmly. Most DTF powder can be cured within 30-60 seconds by heating it around 160°C-177°C or 320-350°F. If you don’t have an oven, alternatively, you can cure the adhesive through the heat press.
Can DTF Film be used on all materials?
DTF films apply to most fabrics. DTF printing is well-known for its versatility—it can print on all fabrics. Hence, you can use it on natural, synthetic, or blended fabrics. However, they can also work on other surfaces that can withstand the recommended heat and pressure settings of DTF printing.
Which side of the DTF film should I print on?
Print on the matte surface. DTF films have two distinct sides: one with a glossy texture and the other with a matte finish. The matte-textured side is designed to absorb the ink. It holds the absorbent and adhesive layer with ink and the powder. The glossy side, on the other hand, is for the transfer process. It should face outward during the heat press stage.
Can I reuse the DTF film?
No. Using a DTF film more than once is a mistake you’d never want to make. Doing so will only waste your ink and other consumables. If you’re unaware, DTF films are only meant to be printed on and heat-pressed once.
Once you already used a film, it no longer has the functional value of a new one. DTF films have an absorbent layer that allows the ink to stick. They also have an adhesive layer. All these layers will enable the ink and the DTF powder to stick to the film surface. The initial printing and heat pressing will degrade these layers and even scratch or wear out the film. Reusing it will only render uneven prints. Or worse, your ink and DTF powder will not even stick in the first place.