PSL Limited manufactures Internal Cement Mortar Lining. PSL Limited has been accredited with ISO 9001:2000 & ISO 14001:2004 certifications. The company manufactures various types of steel pipes, pipe mills and machinery as well as anticorrosive coating of steel pipes. The Internal Cement Mortar Lining is used as protective interior lining of steel pipe. The Internal Cement Mortar Lining is applied centrifugally. This Mortar Lining provides a smooth dense finish that protects the steel pipe from tuberculation and prevents it from corrosion. This Mortar Lining provides a high flow coefficient. The Cement mortar-lined steel water pipes are durable.