Sublimation Heat Press Settings: Temperature and Time Chart

Sublimation Heat Press Settings: Temperature and Time Chart

Written by Mercy Lilian

|

Published on

|

Modified on

|

Reading time for 8 min

Attaining the desired results in different substrates when using a heat press is challenging. The important part is to use the optimum sublimation heat press conditions: temperature, pressure, and time. If you use different settings other than those recommended by the manufacturer, the process incites color bleeding, and low-quality prints.

This article outlines heat press settings for different materials, the importance of the conditions, how they are determined, and tips for developing the desired outcome on various materials.

Understand the Basics of Sublimation Temperature and Time

Tired of traditional printing methods that leave your designs looking dull and faded? Sublimation printing offers a vibrant solution. By using heat and time to transfer ink onto a surface, sublimation creates stunning, long-lasting graphics that won't crack or fade.

To achieve the best results, it's essential to understand the basics of sublimation temperature and time. These guidelines ensure that the ink fully transfers and adheres to the material, producing a high-quality, durable design.

Key Factors Affecting Sublimation Temperature and Time:

  • Material: Different materials have varying heat tolerances.
  • Ink: The type of ink used can influence the sublimation process.
  • Sublimation Machine: The equipment's capabilities affect temperature and time settings.

Guidelines for sublimation temperature and time depend on the material used, the type of ink used, and the sublimation machine. The temperature range for sublimation is normally between 360°F and 400°F, and the typical sublimation period is between 45 and 75 seconds.

How the sublimation process works

Sublimation is a phase transition where a substance changes directly from a solid to a gas without passing through the liquid phase. While heat and pressure are involved in the transfer process, the core concept is the sublimation of the dye from solid ink to gaseous form, imprinting it on a substrate.

Although sublimation prints generally have better durability than HTV (Heat Transfer Vinyl), it can vary based on the substrate, ink quality, and application conditions.

A solid dye-based ink sublimes and permeates on the material and solidifies, leaving behind a smooth print. The design is smooth and long-lasting compared to HTV designs.

The Common Substrates Used in Sublimation

Some common materials used in sublimation are polyester fabrics, ceramics, and polyester-coated materials. Each substrate should have the correct coating for proper bonding with the ink.

Some common applications that require a heat press are fabrics like hoodies, promotional products like ceramic mugs, home décor such as wall art, sportswear, and personalized gifts.

Every substrate also has unique recommended heat press conditions for the production of good-quality end designs. Setting the machine eliminates guesswork, avoiding any slight deviations that could ruin the product.

Understanding Heat Press Settings

Nailing the desired settings can be challenging but is a crucial factor. Temperature, heat, and timing are the most critical aspects. Slight deviations from the recommended settings are the difference between a perfect design and a ruin. Now, let's talk about why the listed conditions are crucial.

Time

Timing the heat press shows how long the material sits under the machine. Insufficient time might result in patched prints or faded areas. Too much time causes bleeding and color shifting. Inconsistent timing underexposes some parts of the substrate to the ink, leading to uneven designs.

Pressure

Pressure is the force per unit area applied to the substrate. Even pressure distribution is crucial. The goal is uniform contact between the transfer paper and the substrate to ensure consistent ink transfer. Incorrect pressure settings might lead to an incomplete transfer, inconsistent prints, or even damaging the material. Excessive pressure stretches and distorts the substrates, leaving them looking smudged, especially on softer material.

Temperature

Temperature is responsible for melting the dye; hence, it directly impacts the transfer of the ink from the paper to the material. Different substrates have different heat tolerance. High temperatures will likely damage the material. Lower heat than recommended by the manufacturer results in faded prints with dull colors and might require longer press times.

Starting and Setting The Heat Press

A heat press is a device used to transfer patterns or text onto a variety of substrates. Proper setup and operation are key to achieving high-quality transfer results.

1. Assemble the Heat Press

The heat press comes with a user manual in its packaging, showing how to assemble the accessories and use them on different materials. After assembling the parts, connect it to a power source and get it started. Basic heat presses might have manual configurations, but many modern models have digital displays with precise temperature and time controls. Once the design is weeded, it is time to get started with sublimating.

2: Condition the Temperature

Different models come with varying dials of temperature. Recent versions come with a digital display where temperature and scales can be set as needed. The preheating signal might go off to indicate that the set temperature has been reached.

3: Set the Time

The timer controls come either on knobs or the digital display. After setting the needed time, usually in seconds, start the timer. Some machines automatically start a countdown, while others require you to start it manually.

4: Adjusting The Pressure

Pressure is usually adjusted on knobs or a dial at the top of the machine or close to the arm. Relying solely on manual pressure to determine optimal settings is unreliable. Using pressure gauges or the machine's built-in pressure indicators is more accurate.

5: Test The Settings On A Substrate Sample

Before designing your substrate, it is crucial to ensure the heat press works correctly and the settings are okay for use on the substrate. Place a sample on the platen and a transfer sheet on top of it but with the design facing down. After pressing down the heat press for the recommended time, remove the paper and inspect the design’s quality. If the quality of the print is satisfactory, move on to work on your project.

General Sublimation Heat Press Settings Chart

This heat press settings chart provides a helpful reference, particularly when experimenting with sublimation on various substrates for the first time. While these settings have proven effective for many materials, it's always recommended to consult the manufacturer's guidelines and conduct test prints before working on final designs.

Material
Temperature
Time
Pressure
General Fabric
320 383°F (160-195°C)
45-80S
Medium to Heavy
Hat
350°F (180°C)
60S
Medium
HPP 350°F (180°C)
60S
Medium
Mugs 375°F (190°C) 20S Medium
Photo Slate 350°F (180°C) 300S Light
Linen 420°F (215°C) 45S Heavy
Glass 350°F (180°C) 180S Medium
Puzzle 350°F (180°C) 60S Medium
Canvas 350°F (180°C) 80S Medium
Sequins 350°F (180°C) 60S Heavy
PU 350°F (180°C) 60S Medium
Ceramic 350°F (180°C) 150S Medium
MDF 350°F (180°C) 60S Medium
Felt 350°F (180°C) 60S Medium
Aluminum 350°F (180°C) 45S Medium
Sandstone 350°F (180°C) 80S Light
Crystal 350°F (180°C) 180S Medium
PET 350°F (180°C) 60S Medium

HTVRONT Heat Press Machine Temperature and Time Settings

To achieve optimal results, adhere to the suggested temperature and time settings for the specific material you're working with.

SUBSTRATES/BLANKS
TIME
TEMPERATURE
TIPS
Polyester Fabric
50 - 60 seconds
250-270 °F
Choose a shirt made of polyester material to ensure good binding of ink.
Polyester, fabrics with a cotton content of less than 30%
35 to 45seconds
250 to 390°F
With clear HTV vinyl, you can sublimate patterns on cotton content > 30%.
Cotton fabric
15 seconds
310 to 330°F
Pre-press the shirt for 3-5 seconds to remove moisture.
Jeans
40 to 70 seconds
300°F
HTVRONT sublimation paper has excellent transfer ability.
Ceramic Sublimation Mugs
2.5 - 3 mins
350 - 400 °F
Make sure the cup is cool to prevent burns.
Canvas material
40 seconds
350 - 400 °F
Use tape that withstands high temperatures to secure the paper in position.

Note: For polyester or sublimated fabric, heat to 270°F for 10 seconds, then peel off the transfer.

Polyester or Sublimated Fabric

It doesn't take much heat to dry this kind of fabric, which is incredibly soft. It is crucial to apply the proper quantity of heat when pressing it, and the heat should be kept from the machine for an extended period.

The fabric should be heated to a perfect temperature of 270°F for 10 seconds. Ten seconds later is the ideal moment to peel off the transfer.

Heat Transfer Vinyl

The easiest and least expensive item to start using a heat press is  HTV Vinyl, often known as heat press vinyl. A greater temperature than polyester is required to produce vinyl at its best.

HTVRONT HTV vinyl responds best to temperatures of about 315°F. For a clear and flawless design, exert 10 to 15 seconds of hard pressure.

Heat Transfer Paper

Heat transfer paper is a transfer material that allows you to print an image or design onto paper using an inkjet or laser printer. The paper is then placed onto the material and transferred using a heat press machine. It is a great option for transferring designs onto materials that cannot be sublimated or for small, one-off projects.

A temperature of 311-329°F is optimum for HTVRONT heat transfer paper. To achieve an ideal design, apply heavy pressure for 10 to 15 seconds.

Tips To Achieve the Best Results


1. The method for handling double-sided substrates depends on the substrate material and the desired outcome. Some materials might require specific techniques to prevent damage or color bleed. If not specified, work on one side at a time, treating each as you normally would.

2. Once you are done designing your synthetic products, it is good practice to store sublimated items away from direct sunlight and heat.

3. Only use sublimation ink. Regular or inkjet printers cannot be used for sublimation printing. They are not designed to handle sublimation inks, and the output will not suit the sublimation process.

4. Cool the sublimation tumblers before you peel off the wraps for the print to be flawless.

5. Ensure everything stays in place by securely securing the transfer paper firmly on the substrate using tape to avoid ghosting effects where the prints appear duplicated.

6. Check to see if the machine is running a clean cycle after topping the ink supply to prevent clogged nozzles that result in banding (having lines appearing to run across smooth color gradients on the design).

Final Thoughts

This heat press settings guide is enough to get you started. However, you have yet to learn a lot more about individual substrates being sublimated. It is crucial to always check the manufacturer's recommendation on the heat press settings so you don’t have to rediscover something every time or mess up your designs. Now that you are all set get pressing and have fun!