
MP-10KV busbar heat shrink sleeve is widely known as copper row protection tube, made of environmentally friendly PE polyolefin heat shrink material cross-linked by high energy electron beam bombardment. The products have good bending resistance, scratch resistance, and high insulation strength and electrical carbon footprint, suitable for corrosion protection and insulation of switchgear, substation busbar, busbar and electrical equipment.
MP-10KV busbar heat shrink sleeve is widely known as copper row protection tube, made of environmentally friendly PE polyolefin heat shrink material cross-linked by high energy electron beam bombardment.
The products have good bending resistance, scratch resistance, and high insulation strength and electrical carbon footprint, suitable for corrosion protection and insulation of switchgear, substation busbar, busbar and electrical equipment. The products are widely used in the electric power industry.
● Fire resistance and corrosion resistance
● Excellent insulating properties, chemical resistance
● Shrinkage ratio: 2:1 (1kV, 10kV, 35kV bus)
● Eco-friendly, high strength, good elasticity, fire retardant, soft.
Operating indicators
● Starting temperature: 80℃
● Final shrinkage temperature: ~120℃
● Operating temperature: -55℃~125℃
● Eligible: Approvals
● Complies with environmentally friendly ROHS.
| Product model | Applicable tire width
(MM) |
Size before shrinkage (MM)) | Shrinkage size (MM) | Standard packaging (meter/plate) | ||
| Inner diameter (D) | Wall thickness (T) | internal diameter (d) | Wall thickness (t) | 25 | ||
| MP-10KV 15/7.5 | 15/12 | ≥15 | 1.0±0.30 | ≤6.0 | 2.5±0.20 | 25 |
| MP-10KV 20/10 | 20/15 | ≥20 | 1.0±0.30 | ≤8.0 | 2.5±0.20 | 25 |
| MP-10KV 25/12.5 | 25/18 | ≥25 | 1.0±0.30 | ≤10.0 | 2.5±0.20 | 25 |
| MP-10KV 30/15 | 30/20 | ≥30 | 1.0±0.30 | ≤12.0 | 2.5±0.20 | 25 |
| MP-10KV 40/20 | 40/30 | ≥40 | 1.2±0.30 | ≤16.0 | 2.8±0.30 | 25 |
| MP-10KV 50/25 | 50/35 | ≥50 | 1.2±0.30 | ≤20.0 | 2.8±0.30 | 25 |
| MP-10KV 60/30 | 60/45 | ≥60 | 1.2±0.30 | ≤24.0 | 2.8±0.30 | 25 |
| MP-10KV 65/32.5 | 65/45 | ≥65 | 1.2±0.30 | ≤26.0 | 2.8±0.30 | 25 |
| MP-10KV 70/35 | 70/50 | ≥70 | 1.2±0.30 | ≤28.0 | 2.8±0.30 | 25 |
| MP-10KV 75/37.5 | 75/50 | ≥75 | 1.2±0.30 | ≤30.0 | 2.8±0.30 | 25 |
| MP-10KV 80/40 | 80/55 | ≥80 | 1.2±0.30 | ≤32.0 | 2.8±0.30 | 25 |
| MP-10KV 85/42.5 | 80/65 | ≥85 | 1.2±0.30 | ≤34.0 | 2.8±0.30 | 25 |
| MP-10KV 100/50 | 100/75 | ≥100 | 1.2±0.30 | ≤40.0 | 2.8±0.30 | 25 |
| MP-10KV 120/60 | 120/85 | ≥120 | 1.2±0.30 | ≤48.0 | 2.8±0.30 | 25 |
| MP-10KV 150/85 | 150/105 | ≥150 | 1.2±0.30 | ≤60.0 | 2.8±0.30 | 25 |
| MP-10KV 180/90 | 180/120 | ≥180 | 1.2±0.30 | ≤72.0 | 2.8±0.30 | 25 |
| MP-10KV 210/105 | 210/140 | ≥210 | 1.2±0.40 | ≤84.0 | 2.8±0.30 | 25 |
| MP-10KV 230/115 | 230/150 | ≥230 | 1.2±0.40 | ≤92.0 | 2.8±0.30 | 25 |
| MP-10KV 250/125 | 250/160 | ≥250 | 1.2±0.40 | ≤100.0 | 2.8±0.30 | 25 |
| Description: 1.20/15 in the applicable tire specifications means it is suitable for 20mm wide rectangular tire or 15mm diameter round tire
Standard color: iron red, yellow, green, black. |
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| Product performance | Requirements for indicators | Detection data |
| Cold bending resistance | -30℃×4H | No cracking |
| Expansion Strength | ASTM D 2671 | ≧11MPa |
| Maximum elongation | ASTM D 2671 | ≧400% |
| Speed up old goods
Accelerated age 168hrs at 136℃ Expansion Aging Strength Maximum aging extension |
ASTM D 2671 | ≧10 MPa
>300% |
| Heatstroke
Low temperature flexibility4hrs at -40℃ |
ASTM D 2671 | No cracking |
| Softness at low
Heat shock 4 hours at 200℃ |
ASTM D 2671 | No drop no flow |
| Insulation strength | ASTM D 2671 | 20kv/mm |
| Volume resistivity | ASTM D 2671 | 10x1014Ω.cm |
| Water absorption
Water absorption 336hrs at 23°C |
ASTM D 570 | <0.5% |
| Copper corrosion
Copper corrosion 158℃ for 168hrs |
IEC 60684-3 | No cracking |
| Color stability | IEC 60684-3 | Stable color without changes
Contrast between exposed and unexposed parts The color does not change |