This test is a combination of two standards that are together used to determine dimensional changes in textiles or clothing after ironing. The results are expressed as percentages (%) of either extension (+) or shrinkage (–). DIN 53894-1 determination of dimensional change of textile fabrics, ironing with a moist ironing cloth on ironing presses ISO 3759, Textiles – Preparation, marking and measuring of fabric specimens and garments in tests for determination of dimensional change.