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Worldwide requirements for textile testing

Views: 1     Author: Site Editor     Publish Time: 2022-11-03      Origin: Site

Worldwide requirements for textile testing

1. EU requirements for textiles

1. Health and Safety Regulations

(1) Textiles for construction must meet the following six aspects when combining, assembling, applying or placing: mechanical durability and stability; safety and fire prevention; hygiene, health and environmental protection; safety in use; noise protection; energy saving and heat retention. conditions to be placed on the market.

(2) In addition to meeting certain health standards, household textiles must have considerable flame-retardant properties in terms of safety. For example, Ireland and the United Kingdom prohibit the use of polyurethane foam in mattresses because of poor flame retardancy.

(3) The national safety regulations on clothing relate to the flame-retardant properties of children's and women's nightwear. The delayed burning test is an essential requirement for children's pajamas, and women's pajamas must be labeled with the words "delayed burning" or "keep away from ignition sources".

(4) Regulations on the amount of chemicals used in textiles and clothing, residues and types of prohibited drugs

Formaldehyde. Free formaldehyde on fabrics can cause inflammation of the human respiratory tract, headache, weakness, body temperature changes, sensory disturbances, irregular perspiration, rapid pulse, dermatitis, skin allergies and other symptoms. The clothing environmental protection standards of Japan and the United States all set clear restrictions on the formazan project indicators. Japanese regulations: Imported children's clothing shall not contain formaldehyde, imported adult underwear, pajamas, and socks shall not contain formaldehyde content exceeding 75ppm, and adult outerwear shall not contain formaldehyde content exceeding 300ppm.

Azo dyes. Some aromatic amine intermediates left in the printing and dyeing synthesis of azo dyes have carcinogenic effects. Germany was the first to promulgate the decree prohibiting the production and use of 20 carcinogenic aromatic amines represented by benzidine and dyes that can decompose these aromatic amines. Importers are not allowed to import textiles processed with these dyes that come into contact with the human body. Subsequently, this decree was also used by other EU countries.

Harmful heavy metals. The heavy metals that can remain on textiles and clothing include nickel, chromium, cobalt, mercury, arsenic, cadmium, etc. These heavy metals mainly come from some dyes, oxidants and catalysts used in the printing and dyeing process, and metal accessories such as buttons and zippers of clothing. Excessive heavy metal content in clothing will not only weaken the immune function of the human body, induce cancer, but also may cause chronic poisoning and damage the central nervous system. In 1999, the European Union imposed regulations on imported textiles: products sold on the market are prohibited from using accessories containing more than 0.5 mg of nickel per square centimeter in contact with the human body, such as buttons, zippers, decorations and other metal objects.

**. It is a preservative. It can be used for the storage and transportation of cotton fiber and wool, and can also be used as a thickener for printing paste. Its toxicity can cause cancer. The waste water discharged from the waste water used in the rinsing of textiles will pollute the environment. German law prohibits the production and use of **, and the limit of this substance in clothing and leather products is 5ppm; some countries require the detection rate of this substance to be 0.

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