Pre-treatment Agent for natural fibres，Reactive Dyes Color Fxing Agent Replacement. 

• It is made of multi-component alkali-polymers, high purity, used for pre-treatment of cotton and blended.
• It directly replaces the refining enzyme and free-alkali, the amount is halved or equal.
• It can also be used to make the pre-treatment agent by mixed wtih other additives. 
• It is a substitute alkali.