Latest News and Updates on Textile Auxiliaries and Dyes

What are the fastnesses in the laboratory?1. Dyeing depthIn general: the darker the color, the lower its fastness to washing, rubbing, etc.;In general: the lighter the color, the lower its fastness to sunlight, chlorine bleaching, etc.2. Are the fastness to chlorine bleaching of vat dyes very good?F Read More

The most commonly used acid in printing and dyeing factories: acetic acidAcetic acid (chemical formula CH3COOH), commonly known as acetic acid, is an organic monobasic acid. Acetic acid with a content of 98% freezes at low temperatures and is commonly known as glacial acetic acid. The pH value of an Read More

Four elements of dyesDyes refer to colored organic compounds that can obtain color from fiber materials, but not all colored organic compounds can be used as dyes. As a dye, it generally has four elements.ChromaThe dye must be able to produce a certain concentration of color (with a certain dyeing i Read More

Pigment and dye inksIn terms of digital printer technology, inkjet is the preferred type for photographers and laboratories. Under the same type, two different inks made of dyes and pigments need to be distinguished.Dye inkMade from dyes from natural sources (such as certain plants) or synthetic sou Read More

Precautions for Dyeing Nylon Yarn When dyeing nylon yarn, several crucial aspects need to be taken into account to ensure high - quality results. 1. Pretreatment Before dyeing, nylon yarn should undergo proper pretreatment. This includes scouring to remove impurities such as spinning oils, dirt, and Read More

Test of textile fastness to nitrogen oxide, smoke, ozone, etc.The purpose of the color fastness test of textiles to atmospheric pollutants is to determine the ability of colored textiles to resist the effects of atmospheric pollutants. Atmospheric pollutants mainly include nitrogen oxide, gas smoke, Read More

When dyeing polyester yarn, several key points should be taken into account to ensure high - quality results. Pretreatment Before dyeing, proper pretreatment of polyester yarn is essential. First, the yarn needs to be thoroughly cleaned to remove any impurities, such as oil stains, dust, or spinning Read More

Why does the fastness of qualified fabrics deteriorate after being shipped to customers?The thermal migration of disperse dyes is an inherent physical property of disperse dyes. Thermal migration is common regardless of the type of disperse dyes, but the molecular structure is different and the degr Read More

Common dye stripping and stripping processDye stripping, also known as stripping, generally uses chemical reactions to destroy the combination of dyes on fibers and fibers, destroy the dye structure on fibers, so that the dye strips off the fibers and cannot color.Commonly used color stripping agent Read More

In the textile printing and dyeing industry, reactive dyes are widely used in dyeing and printing of cotton, linen, viscose and other fibers with the advantages of complete color spectrum, bright colors, simple operation and moderate price. However, poor light fastness has always been a technical shortcoming that reactive dyes cannot avoid, especially in outdoor textiles, curtains, household goods, sportswear and other applications with high light requirements. Read More

Basic knowledge of paint dyeingPaint dyeing is to make the paint into a dispersion liquid, and make the fabric or yarn evenly carry the liquid through padding or dipping. With the help of the adhesive, a transparent and tough resin film is formed on the fabric or yarn, so that the paint is mechanica Read More

Why do spandex fabrics need to be pre setting? The maximum temperature cannot exceed 195C Read More