Edexcel GCSE Design and Technology · 1DT0
Specification 6.8.1 · Paper 1
Revise: Chemical, Physical, Biological and Smart Textile FinishesCarbonising cleans wool by using sulphuric acid to destroy vegetable matter, such as leaves and twigs caught in the fibres. Its benefit is the removal of unwanted plant material before further processing. Unlike bleaching, its purpose is not to whiten the textile.