FAQs
This discoloration is caused by dye migration from your garment into the HTV. Heat during the application process can cause the dye in polyester to be released and bleed through HTV or plastisol inks when screen printing.
Why is my heat press changing the color of my shirt? ›
It's actually steam! As moisture is turned into steam and removed from the fabric, one thing that happens is that the color of your garment is it will darken where the heat press touched it. This change in color will be most noticeable on colors like mid-toned colors like Red, Royal, Purple, and Green.
What happens if you over press HTV? ›
Over pressing doesn't just damage the vinyl's physical form. This terrible mistake can also affect the adhesive strength of the HTV. The longer you expose the HTV to high temperatures, the weaker the adhesive becomes.
How to get rid of scorch marks from heat press? ›
First just try a toothbrush and some water or a cloth and some water. See if just rubbing the area with that takes it out. A lot of heat press marks are just burned starch and starch can be removed with just water and and a little rubbing. If the shirt is cotton and they used starch then that is your best bet.
Why does my shirt have discoloration? ›
Inadequate storage: Improper clothing storage, such as exposing them to damp environments or leaving them in direct contact with other garments, can result in mold or mildew growth. These fungal growths can cause unsightly stains and discoloration on the affected fabrics.
What is the best temperature to press HTV? ›
What Temperature Do You Use for Heat Transfer Vinyl? The ideal temperature to use for heat transfer vinyl is between 260 ℉ to 315 ℉ (130 ℃ to 160 ℃) using medium pressure. It's important to read the product description of the heat press product before doing any work.
Do you let HTV cool before peeling? ›
I prefer to let my items cool before peeling away the carrier sheet. If you don't have time to wait for it to fully cool, wait at least 20-30 seconds and then peel away a small corner to check. You don't want to risk peeling off the heat transfer vinyl while it's still hot.
Can you repress heat transfer vinyl? ›
You can fix heat transfer vinyl when it peels off by reapplying heat and pressure to the affected part. This is the most common and effective method to solve this issue. If this doesn't work, you can also apply fabric glue to it.
Can too much heat cause HTV not to stick? ›
Time- Pressing or ironing for too short a time can cause HTV not to stick to your shirt. Pressing or ironing for too long can have the same effect. HTV works by using a heat activated adhesive so too little time and it won't heat enough to stick. Too long and it can actually burn the adhesive off.
Do you flip heat transfer vinyl? ›
Bottom Line. To sum it all up, iron-on vinyl or heat transfer vinyl should be mirrored or Flipped Horizontally whether you're using Silhouette or Cricut Design Space. The shiny plastic carrier sheet faces down on the cutting machine.
The dividing line for scorch marks is how badly/deeply the mark is in the fabric. Light marks usually can be removed, while deep ones probably will always have some/a lot of permanent discoloration.
Does vinegar remove scorch marks? ›
For scorch marks on colored clothing, try using distilled white vinegar. Dab it on with a clean white cloth (so you can see if you're picking up the stain or not). Repeat until stain is gone, then rinse out the vinegar with fresh water.
How do you stop a shirt from bleeding color? ›
Use Cool Water
Hot water tends to open fabric fibres, which encourages the dye to escape and run, while cold water keeps them closed, trapping the dye inside to prevent bleeding. The cold setting on your washing machine will eliminate most problems with colour bleeding and may even help clothes last longer.
Why is my shirt turning yellow when I sublimate? ›
It typically occurs due to incorrect application during the ironing stage.
Why does my heat press leave a dark square on my shirt? ›
The reason why you see heat press marks appear on cotton tees is due to the moisture found in the cotton fibers. When heat is applied, the moisture evaporates and is released into the air as vapor.