Profile: Sarovar Polymers Pvt. Ltd. manufactures high quality HDPE pipes, MDPE (gas pipe) pipes, PP-R pipes and PLB duct pipes. Our HDPE pipes as per IS:4984 & IS:14333 standards, are tough, waxy materials of varying flexibility. For pipe applications, they are generally formulated to screen out ultraviolet radiation in sunlight. Black pipes contain 2 to 3% carbon black to protect them from UV deterioration.