The Enamel Insulated Winding Wires are applied in several coats, each coat being individually cured in a continuous kiln. The different qualities of enamel are offered depending on application and thermal load polyvinyl acetal enamel, thermal class 12 and Polyesteramide-imide, thermal class 200. ASTA India Private Limited manufactures Enamel Insulated Winding Wires. ASTA India Private Limited is the manufacturer of various types of environmentally friendly winding wire used in electrical machinery.