In this blog post we answer the following questions: Why do some heat transfers include a migration blocker? What is the correlation between sublimation and a migration blocker? Why can this be a problem during the production process of a textile or fabric? How do we solve this problem? Which textiles, fabrics and garments may this affect? What do I have to consider during the design process? What actually happens during a sublimation process? If white textiles or fabrics are to be coloured, there are various options. One of them is sublimation, where paint evaporates from carrier paper at 200°C [...]