Completely impervious to water ( either liquid or vapor phase )
A waterproof fabric is one that is coated or impregnated to form a continuous film or barrier to the passage of water by using rubber, PU, PVC.
Example – Rain coat
Water repellency is a characteristic of textile material that prevents the spreading of globule of water on the material surface. In this method, Hydrophobic materials are deposited on to the fabric but no continuous film is produced.
Water repellent fabrics have open pores & are permeable to water vapor & air. The fabric permit passage of water when hydrostatic pressure is sufficiently high.
Salma Hasin Shila, the author of this site completed her BSc. in Textile Engineering (Wet Processing Engineering) from Bangladesh University of Textiles www.butex.edu.bd (BUTEX). She has a passion for textile technology and love to write about it. She wants to share her knowledge to help the students in their studies and businessman & entrepreneurs in their business in making wise decisions fast.