Edexcel GCSE Design and Technology · 1DT0
Specification 6.8.1 · Paper 1
Revise: Chemical, Physical, Biological and Smart Textile FinishesSolvatochromic colourants can be applied to textiles using microencapsulation. A fabric carrying suitable microspheres can change colour when wetted and change back as it dries. This offers a way to make wetting visible through a colour response.