
MP-1KV bus heat shrink sleeve is commonly 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.
MP-1KV bus heat shrink sleeve is commonly 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
Excellent insulating properties, chemical resistance
Shrinkage ratio: 2:1 (1kV, 35kV, 10kV 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.
| Part Number
Product model |
Applicable tire width
(MM) |
As supplied
Size before shrinkage (mm) |
After recovered
Size after shrinkage (mm) |
Standard length (meter) Standard packaging | ||
| Inner diameter (D) | Wall thickness (T) | internal diameter (d) | Wall thickness (t) | Rice/plate | ||
| MP-1KV 30 | 30 | 31.5±1.0 | 0.5±0.15 | ≤15.0 | 1.00±0.15 | 50 |
| MP-1KV 35 | 35 | 36.5±1.0 | 0.5±0.15 | ≤17.5 | 1.00±0.15 | 50 |
| MP-1KV 40 | 40 | 41.5±1.0 | 0.55±0.15 | ≤20.0 | 1.00±0.15 | 50 |
| MP-1KV 45 | 45 | 46.5±1.0 | 0.55±0.15 | ≤22.5 | 1.00±0.15 | 25 |
| MP-1KV 50 | 50 | ≥50 | 0.55±0.15 | ≤25.0 | 1.10±0.15 | 25 |
| MP-1KV 60 | 60 | ≥60 | 0.60±0.15 | ≤30.0 | 1.20±0.15 | 25 |
| MP-1KV 70 | 70 | ≥70 | 0.65±0.15 | ≤35.0 | 1.30±0.20 | 25 |
| MP-1KV 75 | 75 | ≥75 | 0.65±0.15 | ≤38.0 | 1.30±0.20 | 25 |
| MP-1KV 80 | 80/100 | ≥80 | 0.65±0.15 | ≤40.0 | 1.30±0.20 | 25 |
| MP-1KV 85 | 80/100 | ≥85 | 0.65±0.15 | ≤43.0 | 1.30±0.20 | 25 |
| MP-1KV 90 | 100 | ≥90 | 0.65±0.15 | ≤45.0 | 1.30±0.20 | 25 |
| MP-1KV 100 | 100/120 | ≥100 | 0.65±0.20 | ≤50.0 | 1.30±0.20 | 25 |
| MP-1KV 120 | 150 | ≥120 | 0.65±0.20 | ≤60.0 | 1.30±0.20 | 25 |
| MP-1KV 150 | 180 | ≥150 | 0.65±0.20 | ≤70.0 | 1.30±0.20 | 25 |
| MP-1KV 180 | MAX | ≥180 | 0.65±0.30 | ≤90.0 | 1.30±0.30 | 25 |
| MP-1KV 210 | MAX | ≥210 | 0.65±0.30 | ≤105.0 | 1.30±0.30 | 25 |
| MP-1KV 230 | MAX | ≥230 | 0.65±0.30 | ≤115.0 | 1.30±0.30 | 25 |
| MP-1KV 250 | MAX | ≥250 | 0.65±0.30 | ≤125.0 | 1.30±0.30 | 25 |
Standard color: iron red, yellow, green, black.
| Product performance | Requirements for indicators | detection data |
| Cold bending resistance | -30℃×4H | No cracking |
| expansion strength | ASTM D 2671 | 14.3 MPa |
| aging and expansion strength | ASTM D 2671/158℃, 168 hours (7 days) | 14.0 MPa |
| maximum elongation | ASTM D 2671 | 450% |
| aging extension | ASTM D 2671/158℃, 168 hours (7 days) | ≧470% |
| Softness at low
low temperature flexibility |
ASTM D 2671 | PASS |
| volumetric resistivity | IEC 93 | ≧1014Ω.cm |
| pressure resistance | UL224 | 2500V.60sec
no breakdown |
| obstacle | UL224 | BB-1 |