Inquiry (采购产品): under ground heating, FHW 200 deg, Have a housing development with constant pipe failure underground. Need insulated material the with stand 200 deg F. heat medium, 3' underground. 40' to 50'lenghts 2" to 2 1/2" dia. **** Hidden Message ***** Richard Washak 02333 Company: Wasshak Industries Inc. E-mail: richardwashak@comcast.net **** Hidden Message ***** richardwashak@comcast.net