... delivery 4.ISO9001, CE,SGS1. muti-tube ,with fiber and jelly2. with steel tape armored3.with messenger -steel wiresParameters:1) Multi-PBT ... Loose tube, filling jelly, water blocking tape, plastic coated with steel tape, possible filler, PE ... longitudinally applied over the outer loose tube.Steel wires and loose tubes filled with water proof compound to ensure compact ...