Heat transfer printing generally does not change color. Any printing dyeing will lose color, the degree of fading is 1-5. Generally, grade 3 is qualified standard, and grade 5 is invisible to the naked eye.
There are three types of ink commonly used for printing dyeing: dye ink, pigment ink and heat transfer ink. Dye ink is not uv resistant, so it is easy to fade, belongs to the 1-2 level of fading; Pigment ink has a characteristic that it is insoluble in water and not easy to fade, but the color will become light after washing for a long time, and the color of pigment ink can reach 3-4 levels.
Heat transfer ink is not easy to fade, up to 4-5, heat transfer ink has recessive, high temperature will show its original color, with volatile and osmotic concept, but as long as the temperature does not exceed 80 degrees will not hair, good ink will reach 100 degrees volatilization.
