Edexcel GCSE Design and Technology · 1DT0
Specification 6.8.1 · Paper 1
Revise: Chemical, Physical, Biological and Smart Textile FinishesHeat-setting uses controlled heat to stabilise thermoplastic synthetic textiles. Manufacturing can leave internal stresses that would otherwise cause later dimensional changes. Heat-setting helps the fabric retain its intended dimensions and can also fix features such as pleats.