Prohibited Dyes And Environmentally Friendly Dyes

（1） Prohibited dyes

In recent years, the international community has been very concerned about the deterioration of environmental quality and the imbalance of ecological balance. As an intermediate of dyes, aromatic amines have been listed as suspected carcinogens by government agencies in some countries, among which ethylnaphthylamine of benzidine has been recognized as the most potent carcinogen to human beings. Tested according to the new version of Eco Tex Standard 100 released in 2000 textile The prohibited dyes also include allergenic dyes, direct carcinogenic dyes and acute toxic dyes, as well as those containing lead, antimony, chromium, cobalt, copper, nickel, mercury and other heavy metals that exceed the limit, formaldehyde content that exceeds the limit, organic pesticides that exceed the limit, and environmental hormones It contains chemicals that cause environmental pollution, variable chemicals, dyes containing persistent organic pollutants, etc.

（2） Environmental friendly dyes

According to the requirements of ecological textiles and since the prohibition of 118 dyes dyestuff It shall include the following ten aspects:

(1) It does not contain azo dyes that are explicitly stipulated by the German government, the European Community and the Eco Tex Standard 100 to release 22 carcinogenic aromatic amines under specific conditions;

(2) Not an allergic dye;

(3) Not carcinogenic dye;

(4) It is not an acute toxic dye;

(5) The content of extractable heavy metals is below the limit value;

(6) No environmental hormone;

(7) It does not contain chemicals that may cause environmental pollution;

(8) Free of variable compounds and persistent organic pollutants;

(9) Formaldehyde content is below the specified limit;

(10) There are no restricted pesticides and the total amount is below the specified limit.