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MP-10KV Bus Bar Heat Shrinkable Sleeve
MP-10KV bus bar heat shrink sleeve, known as copper bar protection tube, is made of cross-linked environmental protection PE heat shrinkable materials which is bombarded by high power electron beam.
The product with good resistance to bending and scratching, high insulation strength and resistance to electric carbon mark,applies to switchgear, substation bus, busbar, electrical equipment for anti-corrosion and insulation protection. It’s widely used in electric power industry.

Feature & benefit
1, resistance to flame and corrosion.
2, with superior insulated and chemical properties.
3, Shrink ratio: 2:1 10kV busbar
4, environmental friendly, high strength, good elasticity, flame-resistant, soft.
5.Insulating property:It can effectively prevent leakage and discharge.
6.Weather resistance and chemical resistance: Resistant to chemical corrosion such as acids, alkalis, salts, and oils. Resistant to ultraviolet rays and ozone. Suitable for long-term use both indoors and outdoors.
7.Mechanical property:It has excellent tensile strength and tear resistance, and is unlikely to fall off due to vibration or impact.
8.Flame retardancy: It mostly meets UL94 V-0 or equivalent flame retardant standards. It will extinguish itself when exposed to fire and does not drip-feed.
9.Standard colors: The most common ones are red, yellow and green, which are used to distinguish different colors. Other colors can also be customized.
Operating indexes
Min. Shrink temp.: 80℃
Final shrink temp.: ~120℃
Operating temp.: -55℃~125℃
Up to standard: Approvals
Meet RoHs compliant
Technical Date
Product Properties | Performance requirements | Test Date |
Cold bend flexibility | -30℃×4 H | No cracking |
Tensile Strength | ASTM D 2671 | ≥11 Mpa |
Elongation at break | ASTM D 2671 | ≥400% |
Tensile strength after heat aging (168 hrs at 136℃) aging (168 hrs at 136℃) | ASTM D 2671 | ≥10 MPa
>300% |
Low temperature flexibility 4 hrs at-40℃ | ASTM D 2671 | No cracking |
Heat shock 4 hr at 200℃ | ASTM D 2671 | No drop no flow |
Dielectric strength | ASTM D 2671 | 20 kv/mm |
Volume resistivity | ASTM D 2671 | 10x1014 Ω.cm |
Water absorption 336 hrs at 23℃ | ASTM D 570 | <0.5% |
Copper corrosion 158℃ for 168 hrs | IEC 60684-3 | No cracking |
Color fastness to light | IEC 60684-3 | Contrast between exposed and unexposed parts ,The color does not change. |
SIZE


Special size, special color, etc, can be customized according to customer's requirements.
| Registration Date | 2025/09/01(Year/Month/Date) |
|---|---|
| Buyer / Seller in EC21 | Seller |
| Business Type | Manufacturer |
| Year established | 2015 |
| Employees total | 11 - 50 |
| Annual revenue | USD 1,000,001 - 2,000,000 |
| Company | Dong Guan KE YU New Material Technology Co.,LTD |
|---|---|
| Address | 306, No. 91, Shipai Avenue West, Shipai Town, Dongguan City, Guangdong ProvinceDongguanGuangdong523331China |
| Phone | 86 - 0769 - 81372186 |
| Fax | 86 - 0769 - 81372885 |
| Homepage | www.keyuace.com |
| Contact | Wr.WEI |