663A Self-fusing Insulating Tape 1. Description 663A is one kind of sef-fusing and conformable insulating tape. 2. Application (1) Sealing for cable jointing, telecoms jointing. (2) Insulating and waterproofing on insulated overhead line. 3. Advantages (1)  Self-fusing tape. Compatible with solid dielectric cable insulations. (2)  Adaptable with all kind of cables, excellent weather resistance. 4. Standard color: black. 5. Dimension and package Size 3mm*63.5mm*600mm, 1.5mm*63.5mm*60mm, packed in carton.