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Shenzhen Northtest Testing Technology Co., Ltd. Northtest group Third party certification body

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Hot Line 400-800-6106
Northtest group · headquarters
Tel:0755-36995505 Q Q: Email:ntek@ntek.org.cn Blocks B, C and E of Fenda Science and Technology Creative Park, Xixiang, Baoan District, Shenzhen

Eco Textile Testing

Basic introduction

At present, products that can be labeled with "eco-textiles" are the products with the highest safety level in textiles. The concept of eco-textiles is mainly derived from the "OEKO-TEX STANDARD 100" issued by the International Eco-textile Research and Inspection Association in 1991, which emphasizes the disposal of waste after use; the treatment during production; At present, the most influential eco-textile certifications in the world are the eco-textile certification “Oeko-Tex” of the International Eco-textile Research and Inspection Association and the EU ’s eco-label “Eco-Label”. China also promulgated the national standard GB / T 18885-2002 "Technical Requirements for Ecological Textiles" on November 22, 2002. We believe that textiles that meet these requirements can bring you peace of mind and comfort.

Test items

pH value
Formaldehyde content
Extractable heavy metal
Six price
Insecticide
Phenols
Azo / Allergenic / Carcinogenic Dyes
Chlorobenzene and chlorotoluene
Phthalates
Organotin
Color fastness
Volatile organic compounds
odor
asbestos
pH value
The pH of human skin is between 4.5 and 6.0, and slightly acidic can protect the skin against bacteria and viruses. As people get older, their skin will become more and more neutral, and they will not be as antibacterial as before. Textiles that are neutral or slightly acidic are good for the human body. If the pH of the textile is too high or too low, the skin surface is easily damaged.

Major testing items

formaldehyde
Formaldehyde gives textiles anti-shrink, anti-wrinkle, and non-iron functions. This volatile substance is easily released from the fabric, thereby harming human health, and in particular irritating the respiratory mucosa.

Extractable heavy metal


Plants will absorb heavy metals in the soil during the planting process, and there are heavy metals in the textile post-treatment process and various dyes. Heavy metals enter the body and accumulate in the organs. Once this accumulation reaches a certain level, it will have a serious impact on our health. We simulate human sweat and extract these heavy metals to detect the content of heavy metals in textiles.
Azo / Allergenic / Carcinogenic Dyes
The long-term contact of dyes in clothing fabrics with skin is undoubtedly important. Azo dyes are a common class of dyes and are widely used in the textile and leather industries. However, some of these dyes are thought to be reduced to aromatic amine substances that are not good for human health. Some dyes highly dispersed in water have very small molecules and may be absorbed by prolonged contact with the skin. Some of these dyes are thought to have sensitizing and carcinogenic effects.
Phthalates
Phthalates are a commonly used plasticizer and will be added to plastics and coatings to enhance their performance. Incoming studies have shown that some o-benzenes can have adverse effects on children's development, so there are strict restrictions on toys imported by babies.
Organotin
Organotin has antibacterial and anti-mildew effects, and is used in shoe linings, gloves, and child care products. High concentrations of organotin are neurotoxic when they are absorbed by the body through the skin.
Color fastness
Color fastness is the basic requirement of consumers for product performance and directly reflects product quality. Dye shedding not only affects the appearance of the garment, but the dye is more likely to be absorbed by the body through the skin. In the ecological textile standard, four color fastness indexes are selected. These four color fastnesses are water stain, sweat stain (acid / alkaline), abrasion resistance (dry / wet) and saliva (especially for infants and young children). Color fastness to saliva and sweat stains in baby clothing is particularly important because infants and young children can absorb dye through saliva and sweat stains.

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