... made from crude oil. This means that they are non renewable so will run out. The advantages of using synthetic dyes are that there are a large range of colours to be obtained. Unlike natural dyes these colours are intense and bright. Synthetic dyes do also tend not to fade as much as the natural dyes in things such as light or once they have been washed. Synthetic dyes are cheaper than natural dyes and can be made on a commercial scale. The colours that result from using synthetic dyes are consistent. The only major disadvantage of using synthetic dyes are that they will run out one day and that many of them are poisonous the person using them and the environment itself. The Daily Planet Richard Aldridge 11 Harris ...

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