Insulation Sleeving -

Supplier Details

Changchun CAS Applied Chemistry Materials Co., Ltd.  

Year Established:1997

Business Type:Manufacturer, Trading Company

Management Certifiation:

Operational Address:

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Insulation Sleeving

Insulation Sleeving
  • Insulation Sleeving
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Insulation Sleeving is mainly used for the purpose of insulation protection on overhead bare wires of 1KV to 35KV in city net and rural net. And it is skilful manufactured and in good wuality.

Product Details


Quick Details


  • Place of Origin: Jilin, China (Mainland)
  • Brand Name: Zhongke
  • Model Number: HB1571
  • Type: Insulation Sleeving
  • Material: Composite Polymer
  • Application: High Voltage
  • Rated Voltage: 1-35kv
  • Tensile Strength: ≥10Mpa
  • color: red ,yellow, green, black
  • Tensile strength: ≥10Mpa
  • Elongation at break: ≥500%
  • Dielectric strength: ≥20kv/mm
  • Volume resistance: ≥1*1013Ω*cm
  • Dielectric constant: ≤3.0
  • Flammability(Oi): ≥27
  • Microtherm flexility( -40℃,4hrs): no crack
  • Water absorption: ≤0.5%
  • Min.Order Quantity: 500 Kilometer/Kilometers customer requires
  • Supply Ability: 1000 Kilometer/Kilometers per Day customer requires


Package and Delivery


Packaging Details: cartons
Delivery Detail: within 10 days on receiving the L/C or T/T




1.snap-in type, easy installation, by snap locking the two ends together.

2.built-in creepage growth unit increases creepage distance and improves insulation property. can built-in sealing glue to strengthen sealing effect and improve the pressure level.

4.excellent weather resisting property and insulation property; creepage-proof, wear-resistant, ultraviolet-resistant and aging-resistant.

5.quick and easy to install.

6.emergency repairs





1. applicable to insulation and protection for contact networks carrier cable, supply line, positive feeder, FL parallel feeder line under electrification railway cross-line building of 27.5kv /50HZ single-phase alternating current.
2.applicable to insulation for electric railways catenary wire, electric power lines, positive feeder and reinforcing line of 27.5 KV a.c. electrification railway crossing track building.
3. mainly used on bare wires passing over woods, buildings, tunnels and rivers, etc, to enhance the insulation protection and prevent the short circuit.
4. used on transportation of oiling switch on column and the part of city leader line, to enhance the insulation protection.
5. insulation protection for the part of the cord in the area of building fields and other engineering project closer to transportation line and distribution line
6. product specifications: inside diameter 18, 20, 28, 38
7. color: red yellow green black
8. working conditions: -40~80°C





Testing method

Typical data

Tensile strength

GB/T 1040-92


Elongation at break

GB/T 1040-92


Dielectric strength

GB/T 1408-89


Volume resistance

GB 1410-2006


Dielectric constant

GB 1409-2006



GB/T 2406-1993


Microtherm flexility(-40°C,4hrs)

ASTMD 2671

No Crack

Water absorption

GB/T 1034-98




high standard in quality

Company Profile

Changchun Zhongke Applied Chemistry Materials Co., Ltd. was established in 1997, and is a national hi-tech enterprise which belongs to CAS Changchun Institute of Applied Chemistry (CIAC). Zhongke takes the technology of CIAC as support, and makes the manufacture based on the international standard for quality, keen to the research and development of rubber polymer materials. We are specialized in the manufacture of special insulation & sealing protecting mastic which are widely used in the filed of electronic & electrical industry, telecommunication industry, automotive industry, and others.

Zhongke has passed the evaluation of ISO9001:2000. Our company has five specialists and professors as advisers all year around, and has made cooperation with Shenyang Liming Aero Engine, Beijing Institute of Aeronautical Materials, Beijing University of Chemical Technology, and Russia Synthetic Rubber Institute in developing new projects.

Major Products:
1. High & low temperature resistant radiation cross-link silicon rubber and self-amalgamating tapes: military tapes, electrical tapes, high-voltage tapes, thermochrom adhesives, high-temperature endurable clarified mastics and many kinds of multipurpose products.

Red, yellow, green and grey colors are available on request.

2. Non vulcanized sealant mastics and series of insulation sealant & protected mastics: waterproof tapes, fire-retardant tapes, anti-corrosion tapes, protected mastics, mildew proof adhesives, sealant tapes, water sealing mastics, and others.

3. Aerospace Sealants: organic silicon sealants, polysulfide sealants, thermal conductivity sealants, and foaming sealants.

4. Special & protected sealing heat shrinkable products: high rate double-wall shrinkable tubing, fluorine rubber high temperature resistant heat shrinkable tubing, oil & temperature resistance tubing, identification sleeves, connector protective sleeves, cable accessories, and others.

5. Buckle-like insulation covering: red, yellow, green, and black colors are available, and four sizes of 18, 20, 28, and 38 are available.

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