| 1. | Optical fiber coating loose tube , fill in fiber compound , strengthened steel wire in the middle , tube gasket around steel wire as se intertwist , cable fiber fill in cable core , and then coating water blocking tape , double - faced pe outer jacket . best se intertwist protect optical fiber away from drawing and press 光纤被覆松套管,纤膏填充,金属加强件置于缆芯中心,束管围绕钢丝作sz层绞,缆芯内充缆膏,外纵包阻水带,双面涂塑钢带粘结pe护套。 |