... , no flaws, flowmarks,bubbles and impurity4.colour: white, green, gray, or any colour you need5.application: windows and doors, ... resistance3.good abrasion performance4.beautiful appearance Electrophoretic Aluminium Profiles1.high corrosion resistance from acid, alkali, salt, building mortar2 ... the surface treatment status3.environment protection beautiful and high quality 6063 aluminium pipes