Definition
Heat-seal paper (also called iron-on transfer paper) is used to transfer pattern pieces accurately and precisely onto fabric. The pattern is drawn or printed onto the paper and applied to the top layer of fabric using heat. This prevents the pattern templates from shifting on the material. The technique is especially useful when cutting multiple layers stacked together, as it simplifies the transfer of the pattern.
Use in the textile industry
In the textile industry, heat-seal paper is used primarily in lay cutting, where multiple fabric layers must be cut simultaneously to exact dimensions. After ironing, the paper adheres temporarily to the top layer and stabilizes the cutting area, reducing cutting errors caused by layer shifting. It is particularly suited for shape-critical components such as collars, pockets, or structured cut parts where contour accuracy is essential.
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