Swagath Urethane Pvt. Ltd. Manufactures Standard Cleaning Pig with Polyurethane Cups. Swagath Urethane Pvt. Ltd. Is an ISO 9001 certified company. The products manufactured by the company cater to several sectors like, material handling equipment, factory automation, metal processing, automobile gas and oil, etc. Standard Cleaning Pig with Polyurethane Cups are available with stainless or prostran brushes. The cups are standard with spring-loaded steel "Z" brushes. Standard Cleaning Pig with Polyurethane Cups are available with stainless or prostran brushes and polyurethane blades.