PRE-INSULATED PIPES PRODUCT RANGE Cosmoplast manufactures pre-insulated pipe with differernt combinations of service and jacket pipes  to meet any customer requirements. Depending on the applications for which the pipes are to be used, the customer has the privilege of choosing any combinations of service and jacket pipes. Given below is a list of different combinations Cosmoplast supplies.                                                HDPE-HDPE STEEL - HDPE HDPE - GRP STEEL - GRP GRP - GRP