About Polyester Dyeing
PROCEDURE: At first, a paste of dye and dispersing agent is prepared and then water is added to it. Dye bath is kept at 60°C temperature and all the chemicals along with the material are added to it. Then the bath is kept for 15 min without raising the temperature. pH of bath is controlled by acetic acid at 4-5.5.
The Textile Chemical Processing Laboratory comprises of wide range of equipments for processing fibres, yarns, fabrics and garments. Salient features of the laboratory are Computer Colour Matching System, Colour Matching Cabinet, Steamer, Jigger, Cheese Dyeing Machine and Winch Dyeing Machine. The laboratory has varieties of natural dyes and mordant chemicals.
Polyester
Polyester is a synthetic or man-made fiber material. Shortened from its technical name, polyethylene terephthalate (PET), which, if born, would be its legal name, is made by mixing ethylene glycol and terephthalic acid. Made in a lab from chemical compounds, polyester is a kind of plastic.