Many factors may cause the dyed item of clothing to differ in colour shade from the packaging or appear darker or lighter than expected.
You have dyed a coloured fabric
The colours shown on the packaging are only produced when dyeing white textiles. If coloured textiles are dyed, the result is a mixed shade because textile dye is a transparent rather than an opaque colour.
The dyeing time was too short
The fabric must be dyed in the dye bath for at least 45 minutes in order for the dye to be absorbed properly.
The dyed material consists of mixed fabrics
Synthetic fabrics do not absorb the textile dye. The colour shade is therefore always lighter on mixed fabrics. The proportion of non-dyeable fibres must not exceed 50%.
You have used too little or too much dye
The more dye you use, the darker the colour shade. Please also take the amount of fabric into account. You will find exact dosage instructions in each textile dye’s instructions for use.
The clothing was worn, washed out, or treated to look used
Unfortunately, special industrially manufactured washed-out looks on material, such as artificially created washed-out patches, cannot be redyed evenly. The same applies to heavily worn clothing.
The washing machine was too full
Never dye more than 1,200 g (dry weight) of fabric in the washing machine at any one time. We recommend a maximum limit of 800 g for bulky fabrics such as flannelette or terry cloth when dyeing in the drum.
The fabric contains finishes, fabric softener, agents used to disinfect the laundry, impregnation products, etc.
For the dye to be absorbed evenly, the fabric must be free of finishes, fabric softener, disinfectants, impregnation products, etc. We recommend washing the material prior to dyeing with a detergent that does not contain fabric softener.
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