Understanding The Function Of FEP Heat-shrinkable Pipe Cable Cap And Cable Cladding Sheet

- Apr 15, 2019-

FEP heat shrinkable tube features: high flame retardant, good toughness, excellent physical properties and chemical corrosion resistance. It does not contain chloride compounds PCBS, PCPS and PBBs, PBBOs, PBBEs, PBDEs and other environmentally harmful substances, and conforms to SGS environmental protection instructions.

FEP (polyperfluoroethylene propylene) shrinkage ratio is 1.3:1, PTFE polytetrafluoroethylene (PTFE) shrinkage ratio is 1.7:1, temperature resistance 260 C, FEP basically retains PTFE characteristics, but at 200 C, it is 60 C lower than PTFE. Because FEP has low melting viscosity and excellent thermal stability, it can be processed by extrusion, transfer, injection, compression and blow moulding like other thermoplastic products. The transparency of FEP is high, and PTFE is not as transparent as FEP.

Application scope of FEP heat shrinkable pipe: aerospace, instrumentation, textile heat shrinkable pipe worker, food and medical treatment, electronic appliances, post and telecommunications, petrochemical industry, metallurgical electronics, railway transportation, motor and electrical appliances, household appliances, high-rise buildings, lighting, special transformers, special cables, sensors, thermal components and other industries.

Specification: Minimum inner diameter of contracted_1.5, maximum inner diameter of contracted_200 and wall thickness of 0.1-2.5mm.

Thermal shrinkable cable cap, also thermal shrinkable cap, cable cap, thermal shrinkable waterproof cap, it is a kind of polyethylene material treated by high-energy ion radiation, the appearance is cap-shaped, expanded by polyethylene pipe formed by a layer of hot-melt adhesive film, thermal shrinkable cable cap has high mechanical strength, aging resistance, environmental stress cracking resistance, good sealing performance, etc., has a long use. The product is suitable for waterproofing and protection of various specifications of polyurethane foam insulation pipe ends.

Construction method: 1. shrink the heat shrinkable cable caps on the ends of the steel pipes, remove the foam powder and remove the rust from the double wall heat shrinkable pipe to the ST3 level. 2. Clean the overlap between the big end of the thermal shrinkable cable cap and the jacket. 3. Preheat the steel pipe and the wool jacket. The preheating temperature should reach 50 C without affecting the original anticorrosive coating. 4. Put the heat shrinkable cable cap into 5. Use heater to heat and shrink the big head of the heat shrinkable cable cap without circumferential uniform heating until the hot melt glue overflows. If the temperature is high and the head slips when heated, wet towel can be used to cover it. 6. heat shrinkable cable should not be overheated at the end of the sealing cap (with foam attachment). 7. Heating the small end of the thermal shrinkable cable cap to the hot melt glue overflow. When the contraction is finished, roll the waterproof cap with a pressure stick. 8. After completion of construction, there should be no bubbles, no surface carbonization and obvious folds, all edges have glue overflow, and the bonding is firm.

Cable cladding is often referred to as cable patch, zipper heat shrinkable tube, open heat shrinkable tube. This product is mainly used to repair cable and cable high temperature heat shrinkable tube sheath damage, can simply and quickly seal and insulate damaged cable sheath. It is a kind of repairing sleeve with cladding sheath. It has simple construction, wide size selectivity and is suitable for various occasions. It can solve the problem of sealing and waterproofing with hot melt glue, and the insulation can reach the insulation level of complete cable.

Cable cladding scope of use: 35 kV and below single-core cable, two-core, three-core, four-core, five-core power cable sheath repair and sealing insulation. Communication cable HYA market lines, various calibre telephone cables, optical cables for broadcasting and telecommunication signal transmission, and repairing the damaged sheaths of telecommunication optical cables. Damage repair of railway signal cables, sheath repair of mine cables and other sheathed cables that need to be repaired.

Cable cladding applications: Cable cladding sheets are mainly used for repairing the damaged skin of high and low voltage power cables, communication cables, communication cables and CATV cables/cables. When the space of underground cable trench is narrow, it can also be used as an outer sheath for the middle connection of cable.