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Formaldehyde is a kind of organic chemical compound. It is found in nature in small amounts, usually in gaseous form. When mixed with certain liquids, it forms a sticky aqueous substance called resin, which is used for various purposes in textiles, usually during the finishing process. Finishing processes in textile manufacturing are the processes carried out to add color or special properties to textiles after manufacturing. For example, finishing can make textiles softer or water resistant.
Formaldehyde is generally added to textile products to protect the durability of printing and dyeing, or to improve texture. Textiles and clothing containing formaldehyde will gradually release free formaldehyde.
Formaldehyde can cause adverse effects on human health. Formaldehyde not only causes respiratory tract inflammation by inhalation and skin inflammation by skin contact, but also irritates the eyes. In addition, formaldehyde can cause allergies and cancer.
It is important to detect low formaldehyde content, especially in some areas such as children's clothing. Common causes of textile dermatitis are formaldehyde resins and disperse dyes. There are several methods for detecting the presence of formaldehyde in clothing.
