what is textile sizing chemicals

Definition of textile sizing chemicals

Different types of water soluble polymers called textile sizing agents/chemicals such as modified starch, polyvinyl alcohol (PVA), carboxymethyl cellulose (CMC), acrylates are used to protect the yarn.

To achieve the best sizing effect, the ideal textile sizing chemicals should be with those characteristics:
1.The textile sizing chemicals must have enough adhesion strength;
2.The textile sizing chemicals should be with proper viscosity;
3.With excellent molding ability;
4.With stable physic and chemical properties;
5.Soluble and dispersing to water, for the best advantage of convenient textile processing in actual application.

As a textile sizing chemicals manufacturer, HT Fine Chemical Co., Ltd focus on textile auxiliaries chemicals. With years' production and exporting experience and long term cooperation with colleges and institutes, we are qualified to supply high quality and large amount of chemicals for large scale textile processing companies worldwild.

Application of textile sizing chemicals

As the name implies, textile sizing chemicals are used for sizing process in the textile industry. The sizing process is a finishing treatment of fabric soaking in textile sizing chemicals and drying to obtain the feeling of thick and stiff. Sizing slurry is mainly composed of sizing ingredients and a small amount of preservatives, while softeners, fillers or fluorescent brightener can be also added for different application purpose. The commonly used natural paste is wheat starch, cornstarch, dextrin, gelatin etc. Textile sizing chemicals has carboxymethyl cellulose, polyvinyl alcohol and polyacrylate.

Sizing generally use dipping or starching with rolling, so that the fabric stained with a proper amount of size, after initial drying and then amplitude drying in the drawing machine. The whole process can also be carried out on the union machine.

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