Environmental dyestuff refers to the dyestuff that conforms to the relevant regulations of environmental protection and can be used in the production process.
Environmental protection dyes should meet the following conditions, do not contain or produce harmful aromatic amine;
The dye itself has no carcinogenic, sensitized and acute toxicity;
Formaldehyde and extractable heavy metals are below the limit after use.
No environmental hormone;
Free of persistent organic pollutants;
Harmful chemicals that will not pollute the environment;
Chemicals that do not pollute the environment;
Color fastness and performance are better than those of the banned dyes.