Related to the acute toxicity of the dye CI color base 20, base 24 CI color color base and CI 41.
5 basic dyes first three included in the basic dye of the German dyestuffs, which are as follows: Promotional Yard Flags Basic Brown 4, Basic Red 42 Basic Red 111. Among them: CI, basic red 111 containing amino azobenzene; CI, basic red 42 containing o-anisidine; CI Basic Brown 4 containing 2,4 – diaminotoluene. Another four kinds of basic dye released by the German VCI has been banned because it contains harmful aromatic amines. Such as CI Basic Yellow 82 contains the amino azobenzene; CI Basic Yellow 103 containing 4,4 '- diaminodiphenylmethane; Beach Warning Flags For Sale CI Basic Red 76 containing o-anisidine; Promotional Yard Flags CI Basic Red 114 with anthranilic anisole.
Related to the acute toxicity of dyes, basic dyes are six kinds, they are: CI Basic Yellow 21, CI Basic Red 12, CI Basic Violet 16, CI Basic Blue 3, CI Basic Blue 7, CI, alkali Xing Blue 81. Related to the known direct carcinogenic dye, basic dye, CI Basic Red 9.
Reactive dyes and vat dyes in the 118 kinds of dyestuffs, no activity and restore the two dyes, but the 22 kinds of harmful aromatic amine starting. These two types of dye, the individual species will be affected. Such as the K-R reactive dye Reactive Yellow, Reactive Blue KD
Less disabled by the vat dyes such as restore the brilliant pink of R (CI restore Red 1,73360) from o-aniline as the raw materials, as well as restore the purpurin RH (CI restore purple 2,73385) is also o-aniline as the raw material , hence by the disabled. Dissolved in the corresponding soluble vat dyes Discount Decorative Garden Flags indigo pigment pink IR and dissolve the indigo pigment purpurin IRH, respectively, to restore the pink R and restore the purpurin RH leuco sulfuric acid ester, Promotional Yard Flags also will be affected.
. Other types of dyes in addition to the above-mentioned dyes, commonly used in other types of dyes, but also because of dye used some of the aromatic amine intermediates and dyestuffs. Such as sulfide dyes, sulfur yellow brown
In the pigment paste, solid manufacture of dyes containing azo dye structure have also been disabled. Including the Everlasting orange G (CI Pigment Orange 13,21110), 8205 dyes golden FGRN, Promotional Yard Flags 6103 dyes golden FG and 8111 dye red FFG and other. Backpack Flag Banner
(B) of the green dye
Since in accordance with the requirements of eco-textiles and disable 118 kinds of dye, Custom Feather Flags Wholesale green dye has become the focus of development of the dye industry and dyeing industry, the green dye is extremely important to ensure the textile ecological conditions. Green dye to have the necessary dyeing properties and the use of technology applicability, Promotional Yard Flags application performance and fastness properties, Custom Outdoor Banner Flags but also need to meet environmental quality requirements.
Environmentally friendly dyes should include the following ten aspects:
(1) without the German government and the European Community and Eco-Tex Standard 100 expressly provided will be cracking under certain conditions, the release of the 22 kinds of carcinogenic aromatic amines, azo dyes, whether these carcinogenic aromatic amines separated from the dye or by dye cracking;
(2) not allergic to dyes;
(3) is not carcinogenic dyes;
(4) is not acute toxic dyes;
(5) of extractable heavy metals below the limit value;
(6) does not contain environmental hormones; Promotional Yard Flags
(7) does not contain chemical substances will produce environmental pollution;
(8) does not contain variability compounds and persistent organic pollutants;
(9) the formaldehyde content below the prescribed limits;
(10) does not contain the pesticide is limited to species and the total below the prescribed limits;
In the strict sense, to meet the requirements above, Promotional Yard Flags the dye should be called environmentally friendly dyes, the real green dye in addition to satisfying the above requirements, should also be environmentally friendly in the production process, do not have a "waste", even a small amount "wastes" by the conventional approach to achieve the national and local environmental and ecological requirements.