Thermochromic ink is Yellow below 31C and translucent above 31C. It stays yellow at room temperature and clears with the warmth of a hand.
Thermochromic Ink is a magical coating that changes colour when exposed to certain temperatures.
When you rub the thermochromic layer, or the coating reaches 31C or higher, the yellow will become translucent. The ink then reverts to its yellow colour once it cools below 31C again. This effect can be made again and again.
Our thermochromic ink comes in 2 parts (slurry and binder), which must be mixed 50/50 prior to use. You cannot use the slurry without the binder, as the ink will simply dry and fall off; the binder is what fixes the slurry to the surface. Tell us your application and we’ll advise on printing it.
Our products can be screen printed onto textiles, paper and board. Please let us know if this product is being applied to different substrates such as wood, plastic, metal, glass or ceramics. It is best to apply this ink using thin coats. Apply via screen printing or a foam roller; avoid brushes, which can’t apply the ink thinly or evenly enough.
If using heat to dry the print, keep it low and short: stay below 180C, as briefly as possible, and avoid prolonged heat above 75C. Brief heat at 100C for 12 minutes is fine.
Use to hide messages or text that appear at a touch.
View the image gallery to see an image of Yellow Thermochromic ink.
Storage: Keep it in a cool, dark place, ideally at 20C or below, with the lid tightly closed, and use within 12 months. Don’t let it freeze, and don’t store it with food or drink. Direct sunlight and UV damage the thermochromic materials.
Before use, please read the Technical Data Sheet (TDS) and the Safety Data Sheets for the thermochromic slurry (SDS) and the binder (SDS). For step-by-step advice on paper, board and fabric, read our guide: How to screen print thermochromic ink
The information supplied in this product description is for guidance only.
Please fully test our products before print runs, projects, installations and production.
Colours and packaging may vary.
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