Changzhou Longchuang Insulating Material Co., Ltd.
Quality as the fundamental, service first
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Busbar Heat Shrink Tube Insulation Tube 2:1 Ratio Heat-Shrink Polyolefin Tubing
Continuous busbar protective bushing has excellent flame retardancy, insulation, thermal stability, and can provide high insulation strength and resistance to electric carbon marks. Limit PBB, PBBD, PBBE and heavy metals and other substances harmful to the environment, do not produce toxic gases and harmful substances when burning, suitable for bus and electrical equipment anti-corrosion and insulation protection. Products are widely used in power industry, communications, automobiles, ships, aircraft manufacturing and other fields
1. Manufactured from cross-linked polyolefin
2. Used to offer insulation protection for busbar in switchgear and substation
3. Protects against short circuit and electrical leakage cause by small animals
4. Reduces busbar clearance requirements
5. RoHS compliant
6. Shrink temperature: start at 70℃, and fully recovered at 125℃
7. Color: yellow, red, green, blue, black
1kv WMPG Series
| Product No. | Busbar Width | As Supplied/mm | After Recovered/mm | Standard Package | ||
| (Square)/mm | ID(Min) | Wall Thickness | ID(Max) | Wall Thickness | (m/roll) | |
| 1kV WMPG 30 | 30 | 31.5±1.0 | 0.50±0.15 | ≤15 | 0.95±0.15 | 50 |
| 1kV WMPG 35 | 35 | 36.5±1.5 | 0.50±0.15 | ≤18 | 1.00±0.15 | 50 |
| 1kV WMPG 40 | 40 | 41.5±1.5 | 0.55±0.15 | ≤20 | 1.00±0.15 | 25 |
| 1kV WMPG 45 | 45 | 41.5±1.5 | 0.55±0.15 | ≤23 | 1.00±0.15 | 25 |
| 1kV WMPG 50 | 50 | 51.0±2.0 | 0.55±0.15 | ≤25 | 1.00±0.15 | 25 |
| 1kV WMPG 60 | 60 | 60.0±3.0 | 0.60±0.20 | 20 | 1.30±0.20 | 25 |
| 1kV WMPG 65 | 65 | 65.0±3.0 | 0.60±0.20 | ≤33 | 1.30±0.20 | 25 |
| 1kV WMPG 70 | 70 | 70.0±3.0 | 0.65±0.20 | ≤35 | 1.30±0.20 | 25 |
| 1kV WMPG 75 | 75 | 75.0±3.0 | 0.65±0.20 | ≤38 | 1.30±0.20 | 25 |
| 1kV WMPG 80 | 80/100 | 80.0±3.0 | 0.65±0.20 | ≤40 | 1.46±0.20 | 25 |
| 1kV WMPG 85 | 80/100 | 85.0±3.0 | 0.65±0.20 | ≤43 | 1.46±0.20 | 25 |
| 1kV WMPG 90 | 100 | 90.0±4.0 | 0.65±0.20 | ≤45 | 1.46±0.20 | 25 |
| 1kV WMPG 100 | 100/120 | 100.0±4.0 | 0.65±0.20 | ≤50 | 1.46±0.20 | 25 |
| 1kV WMPG 120 | 150 | 20.0±4.0 | 0.65±0.20 | ≤60 | 1.46±0.20 | 25 |
| 1kV WMPG 150 | 180 | 150.0±4.0 | 0.65±0.20 | ≤75 | 1.46±0.20 | 25 |
| 1kV WMPG 180 | MAX | 180.0±4.0 | 0.65±0.20 | ≤90 | 1.46±0.20 | 25 |
| 1kV WMPG 210 | MAX | 210.0±4.0 | 0.65±0.20 | ≤105 | 1.46±0.20 | 25 |
| 1kV WMPG 230 | MAX | 230.0±4.0 | 0.65±0.20 | ≤115 | 1.46±0.20 | 25 |
| 1kV WMPG 250 | MAX | 250.0±5.0 | 0.65±0.20 | ≤125 | 1.46±0.20 | 25 |
| 1kV WMPG 300 | MAX | 300.0±5.0 | 0.65±0.20 | ≤150 | 1.46±0.20 | 25 |
10kv WMPG Series
| Product No. | Busbar Width | As Supplied/mm | After Recovered/mm | Standard Package | ||
| (Square)/mm | ID(Min) | Wall Thickness | ID(Max) | Wall Thickness | (m/roll) | |
| 10kV WMPG 15/8 | 15/12 | 15.0±0.8 | 1.20±0.30 | ≤8 | 2.10±0.30 | 25 |
| 10kV WMPG 20/10 | 20/15 | 20.0±0.8 | 1.20±0.30 | ≤105 | 2.10±0.30 | 25 |
| 10kV WMPG 25/12 | 25/18 | 25.0±0.8 | 1.20±0.30 | ≤12.5 | 2.10±0.30 | 25 |
| 10kV WMPG 30/15 | 32/20 | 30.0±0.8 | 1.20±0.30 | ≤15 | 2.10±0.30 | 25 |
| 10kV WMPG 40/20 | 40/30 | 40.0±1.0 | 1.20±0.30 | ≤20 | 2.30±0.30 | 25 |
| 10kV WMPG 50/25 | 50/35 | 50.0±3.0 | 1.20±0.30 | ≤25 | 2.30±0.30 | 25 |
| 10kV WMPG 60/30 | 60/45 | 60.0±3.0 | 1.20±0.30 | ≤30 | 2.30±0.30 | 25 |
| 10kV WMPG 65/33 | 65/45 | 65.0±3.0 | 1.20±0.30 | ≤33 | 2.30±0.30 | 25 |
| 10kV WMPG 70/35 | 70/50 | 70.0±3.0 | 1.20±0.30 | ≤35 | 2.30±0.30 | 25 |
| 10kV WMPG 75/38 | 75/50 | 75.0±3.0 | 1.20±0.30 | ≤38 | 2.30±0.30 | 25 |
| 10k VWMPG 80/40 | 80/55 | 80.0±3.0 | 1.20±0.30 | ≤40 | 2.30±0.30 | 25 |
| 10kV WMPG 85/43 | 80/65 | 85.0±3.0 | 1.20±0.30 | ≤43 | 2.40±0.30 | 25 |
| 10kV WMPG 100/50 | 100/75 | 00.0±4.0 | 1.20±0.30 | ≤50 | 2.40±0.30 | 25 |
| 10kV WMPG 120/60 | 120/85 | 120.0±4.0 | 1.20±0.30 | ≤60 | 2.40±0.30 | 25 |
| 10kV WMPG 150/75 | 150/105 | 150.0±4.0 | 1.20±0.30 | ≤75 | 2.40±0.30 | 25 |
| 10kV WMPG 180/90 | 180/120 | 180.0±5.0 | 1.20±0.30 | ≤90 | 2.40±0.30 | 25 |
| 10kV WMPG 210/105 | 210/140 | 210.0±5.0 | 1.20±0.40 | ≤105 | 2.40±0.30 | 20 |
| 10kV WMPG 230/115 | 230/150 | 230.0±5.0 | 1.20±0.40 | ≤115 | 2.40±0.30 | 20 |
| 10kV WMPG 250/125 | 250/180 | 250.0±5.0 | 1.20±0.40 | ≤125 | 2.40±0.30 | 20 |
| 10k VWMPG 300/150 | 300/210 | 300.0±5.0 | 1.20±0.40 | ≤150 | 2.40±0.30 | 15 |
20kv WMPG Series
| Product No. | Busbar Width | As Supplied/mm | After Recovered/mm | Standard Package | ||
| (Square)/mm | ID(Min) | Wall Thickness | ID(Max) | Wall Thickness | (m/roll) | |
| 20kV WMPG 15/8 | 15/12 | 15.0±0.8 | 1.30±0.30 | ≤8 | 2.50±0.20 | 25 |
| 20kV WMPG 20/10 | 20/15 | 20.0±0.8 | 1.30±0.30 | ≤105 | 2.50±0.20 | 25 |
| 20kV WMPG 25/18 | 25/18 | 25.0±0.8 | 1.30±0.30 | ≤12.5 | 2.50±0.20 | 25 |
| 20kV WMPG 30/15 | 32/20 | 30.0±0.8 | 1.30±0.30 | ≤15 | 2.50±0.20 | 25 |
| 20kV WMPG 40/20 | 40/30 | 40.0±1.0 | 1.40±0.40 | ≤20 | 2.80±0.30 | 25 |
| 20kV WMPG 50/25 | 50/35 | 50.0±3.0 | 1.40±0.40 | ≤25 | 2.80±0.30 | 25 |
| 20kV WMPG 60/30 | 60/45 | 60.0±3.0 | 1.40±0.40 | ≤30 | 2.80±0.30 | 25 |
| 20kV WMPG 65/33 | 65/45 | 65.0±3.0 | 1.40±0.40 | ≤33 | 2.80±0.30 | 25 |
| 20kV WMPG 70/35 | 70/50 | 70.0±3.0 | 1.40±0.40 | ≤35 | 2.80±0.30 | 25 |
| 20kV WMPG 75/38 | 75/50 | 75.0±3.0 | 1.40±0.40 | ≤38 | 2.80±0.30 | 25 |
| 20k VWMPG 80/40 | 80/55 | 80.0±3.0 | 1.40±0.40 | ≤40 | 2.80±0.30 | 25 |
| 20kV WMPG 85/43 | 80/65 | 85.0±3.0 | 1.40±0.40 | ≤43 | 2.80±0.30 | 25 |
| 20kV WMPG 100/50 | 100/75 | 00.0±4.0 | 1.40±0.40 | ≤50 | 2.80±0.30 | 25 |
| 20kV WMPG 120/60 | 120/85 | 120.0±4.0 | 1.40±0.40 | ≤60 | 2.80±0.30 | 25 |
| 20kV WMPG 150/75 | 150/105 | 150.0±4.0 | 1.40±0.40 | ≤75 | 2.80±0.30 | 25 |
| 20kV WMPG 180/90 | 180/120 | 180.0±5.0 | 1.40±0.40 | ≤90 | 2.80±0.30 | 25 |
| 20kV WMPG 210/105 | 210/140 | 210.0±5.0 | 1.40±0.40 | ≤105 | 2.80±0.30 | 20 |
| 20kV WMPG 230/115 | 230/150 | 230.0±5.0 | 1.40±0.40 | ≤115 | 2.80±0.30 | 20 |
35kv WMPG Series
| Product No. | Busbar Width | As Supplied/mm | After Recovered/mm | Standard Package | ||
| (Square)/mm | ID(Min) | Wall Thickness | ID(Max) | Wall Thickness | (m/roll) | |
| 35kV WMPG 30/15 | 30 | 30.0±1.0 | 1.90±0.50 | ≤15 | 4.00±0.30 | 15 |
| 35kV WMPG 35/18 | 30/40 | 25.0±1.0 | 1.90±0.50 | ≤18 | 4.00±0.30 | 15 |
| 35kV WMPG 40/20 | 40 | 40.0±1.0 | 1.90±0.50 | ≤20 | 4.00±0.30 | 15 |
| 35kV WMPG 50/25 | 50 | 50.0±2.0 | 1.90±0.50 | ≤25 | 4.00±0.30 | 15 |
| 35kV WMPG 60/30 | 60 | 60.0±3.0 | 1.90±0.50 | ≤30 | 4.00±0.30 | 15 |
| 35kV WMPG 65/33 | 60/70 | 65.0±3.0 | 1.90±0.50 | ≤33 | 4.00±0.30 | 15 |
| 35kV WMPG 70/35 | 70 | 70.0±3.0 | 1.90±0.50 | ≤35 | 4.00±0.30 | 15 |
| 35kV WMPG 75/38 | 70/80 | 75.0±3.0 | 1.90±0.50 | ≤38 | 4.00±0.30 | 15 |
| 35kV WMPG 80/40 | 80/100 | 80.0±4.0 | 1.90±0.50 | ≤40 | 4.00±0.30 | 15 |
| 35kV WMPG 100/50 | 100/120 | 100.0±4.0 | 1.90±0.50 | ≤50 | 4.00±0.30 | 15 |
| 35kV WMPG 120/60 | 150 | 120.0±4.0 | 1.90±0.50 | ≤60 | 4.00±0.30 | 15 |
| 35kV WMPG 150/75 | 180 | 150.0±4.0 | 1.90±0.50 | ≤75 | 4.00±0.30 | 15 |
| 35kV WMPG 180/90 | MAX | 180.0±5.0 | 1.90±0.50 | ≤90 | 4.00±0.30 | 15 |
| 35kV WMPG 210/105 | MAX | 210.0±5.0 | 1.90±0.50 | ≤105 | 4.00±0.30 | 15 |
| 35kV WMPG 230/115 | MAX | 230.0±5.0 | 1.90±0.50 | ≤115 | 4.00±0.30 | 15 |
| 35kV WMPG 250/125 | MAX | 250.0±5.0 | 1.90±0.50 | ≤125 | 4.00±0.30 | 15 |
| 35kV WMPG 300/150 | MAX | 300.0±5.0 | 1.90±0.50 | ≤150 | 4.00±0.30 | 15 |
Technical Data:
| Property | Test Method | Standard Performance |
| Tensile Strength | GB/T 1040 | ≥8MPa |
| Elongation at Break | GB/T 1040 | ≥300% |
| Tensile Strength after Aging | GB/T 1040 , GB/T 7141 | ≥6.4MPa(130℃,168 hrs) |
| Elongation at Break after Aging | GB/T 1040 , GB/T 7141 | ≥100%(130℃,168 hrs) |
| Hardness (Shore A) | ISO 868 | ≤90 |
| Dielectric Strength | IEC 60243 | ≥25kV/mm |
| Volume Resistivity | IEC 60093 | ≥1×1014Ω ·cm |
| Dielectric Constant | IEC 60250 | ≤3.0 |
| Longitudinal Shrinkage | ASTM-D-2671 | ≤10% |
| Eccentricity | ASTM-D-2671 | ≤30%(10kV);≤50%(35kV) |
| Water Absorption | ISO 62 | ≤0.5% |
| Flammability (Oxygen Index) | ISO 4589 | ≥28 |
Shipping:
For international orders, we take necessary steps to comply with customs and import regulations to avoid any delays or additional charges for our customers. We also provide tracking information for our customers to keep them updated on the delivery status of their order.
Professional Production Quality is Reliable
Q1 . Which certifications or test reports do you have?
A : We have UL,ROHS and REACH.
Q2 . How to ship my order? Is it safe?
A : For small package, we will send it by Express,such as Fedex, UPS,TNT, DHL and so on.
For big packages, we will send them by Air or By sea or by Train. We will use good packing and ensure the safety. We will be responsible to any product damage caused on delivery.”
Q3 . What about your delivery time?
A : We have a lot of products in stock. We can send the stock products in 3 work days.
If without stock,or stock is not enough, we will check the delivery time with you.” (Usually is 3-7days).
Q4 . Can you provide samples? Are the samples free?
A : Yes. We can provide samples.
Usually for our standard products with stock, we can supply samples free for testing.
Q5 . Could I put my own logo on it?
A : Sure, of course, we are a professional manufacture and have over 10 years OEM experience.