Audited Supplier
Materials: Corss-linked modified polyolefin
˙Operating temperature range:-40ºC~125ºC
˙Contraction temperature:: above 70ºC
˙Contraction ratio:: 2:5:1
˙Features: High-voltage resistance, corrosion resistance, high insulation
˙Applications: Suitable for insulation protection for transformer station buses and high/low voltage switch cubicle buses;
compacts the structure of the switch cubicle (reduces the distance in between) and prevents accidental short circuit incidents.
Item | Test method | Indicator | Values |
Tensile strength | ASTM D2671 | ≥10MPa | 15.4MPa |
Elongation at break | ASTM D2671 | ≥450% | 583% |
Tensile Strength After Aging | ASTM D2671/136°C/168h | ≥10MPa | 14.2MPa |
After aging the tensile elongation at break | ASTM D2671/136°C/168h | ≥400% | 541% |
Thermal Shock | 200°C±3°C/4h | Without dripping, flowing or crack | Passed |
Low temperature flexibility | ASTM D2671/-40°C/4h | No cracking | No cracking |
Breakdown strength | ASTM D2671 | ≥19kV/mm | ≥25.7kV/mm |
Volume resistivity | ASTM D876 | ≥1.0x1014Ω· cm | ≥5.3x1014Ω· cm |
Water absorption | ASTM D570A | ≤0.5% | 0.23% |
Size | As supplied | After recovery | Packaged Length | ||
ID/mm | Wall Thickness/mm | ID/mm | Wall Thickness/mm | M | |
1KV 30/15 1KV 35/18 1KV 40/20 1KV 50/25 1KV 60/30 1KV 65/33 1KV 70/35 1KV 75/38 1KV 80/40 1KV 100/50 1KV 120/60 1KV 150/75 1KV 180/90 1KV 210/105 1KV 230/115 | 30 ± 1.0 35 ± 1.0 40 ± 1.0 50 ± 2.0 60 ± 2.0 65 ± 2.0 70 ± 2.0 75 ± 2.0 80 ± 3.0 100 ± 4.0 120 ± 4.0 150 ± 4.0 185 ± 5.0 210 ± 5.0 230 ± 5.0 | 1.9 ± 0.5 1.9 ± 0.5 1.9 ± 0.5 1.9 ± 0.5 1.9 ± 0.5 1.9 ± 0.5 1.9 ± 0.5 1.9 ± 0.5 1.9 ± 0.5 1.9 ± 0.5 1.9 ± 0.5 1.9 ± 0.5 1.9 ± 0.5 1.9 ± 0.5 1.9 ± 0.5 | 15 18 20 25 30 33 35 38 40 50 60 75 90 105 115 | 4.0 ± 0.3 4.0 ± 0.3 4.0 ± 0.3 4.0 ± 0.3 4.0 ± 0.3 4.0 ± 0.3 4.0 ± 0.3 4.0 ± 0.3 4.0 ± 0.3 4.0 ± 0.3 4.0 ± 0.3 4.0 ± 0.3 4.0 ± 0.3 4.0 ± 0.3 4.0 ± 0.3 | 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 |
The company has strong technical force with 20 years experience and advanced production equipment. We can supply (such as modified PE, PVDF, FEP, EPDM, Silicone, FKM, FEP, PTFE Etc materials)heat shrink tube and insulation tube. The products are widely used in the fields of electronic communication, automobile, high-speed rail, electric motor, aviation, medical and other fields, such as insulation, water-proof, electrostatic shielding, oil-resistant, chemical and high-temperature resistant Protection, etc. Our products have passed UL certification ,RoHS ,REACH.
We also can produce customized products or develop products with special requirements according to customer requirements, and we carry out our production according to ISO9001 and IATF16949 quality management system standards to ensure the stability and reliability of product quality.
1. who are we?
We are based in Shanghai, China, start from 2017,sell to North America(20.00%),South Asia(20.00%),Southeast Asia(15.00%),Western Europe(15.00%),South America(5.00%),Eastern Europe(5.00%),Mid East(5.00%),Northern Europe(5.00%),Eastern Asia(3.00%),Domestic Market(3.00%),Southern Europe(2.00%),Africa(00.00%),Central America(00.00%). There are total about 5-10 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Heat Shrink Tube/Heat Shrink Mould Part/Marking Sleeve/Cold Shrink Tube
4. why should you buy from us not from other suppliers?
Shanghai Wellco International Limited is a professional R & D, production, sales of special heat shrink Tube and other radiation crosslinking insulation materials manufacturers And the founder have the experience for the insulation more than 20years
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,CIP,FCA,DDP,DDU,Express Delivery;
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,L/C,MoneyGram,PayPal,Western Union;
Language Spoken:English,Chinese, Japanese
