11. Liners come in either vinyl or water repellent polyester. 12. According to Ismail al-Faruqi and Lois Lamya al-Faruqi, " In response to water repellent ." 13. Treated surfaces have water repellent and friction reducing properties. 14. Fluorinated surfactants are small organofluorine molecules, principally used in durable water repellent ( DWR ). 15. A surface that mimics the lotus leaf could have numerous applications by providing water repellent outdoor gear. 16. Years ago, the water repellents trapped moisture in the masonry wall creating more problems than they solved. 17. The water repellent is not sold retail; it must be applied by a chimney sweep or other professional. 18. Perfluorooctanoic acid is used to manufacture Teflon and related polymers, as a water repellent , and for related applications. 19. Three categories of barrier creams are used : water repellent creams, water-soluble creams, and creams designed for special applications. 20. In common with other waterproof garment technologies, this water repellent treatment must be maintained in order to remain effective.
