Materiales
Capa exterior: Unión de cruce de resina de poliolefina modificada.
Capa interior: Adhesivo termofusible
Índice de contracción: 4:1
Aplicaciones
Este modelo de tubo termocontraíble es de tipo semirígido con adhesivo 4:1, tiene característica de resistencia en diesel el cual es indispensable para aplicaciones en el rubro automotriz como sellado de aislamiento para cables de arnés de carro, protección de cables ante cualquier fricción, liberación de tensión para terminales y empalmes de cables.
P/N | As supplied (mm) | After recovery | ||
Min. inside diameter | Max. inside diameter | Total wall | Min. adhesive wall | |
CB-DWT(3000)-1 | 5.72 | 1.27 | 1.2 | 0.56 |
CB-DWT(3000)-2 | 7.44 | 1.65 | 1.52 | 0.76 |
CB-DWT(3000)-3 | 10.85 | 2.41 | 1.91 | 1.02 |
CB-DWT(3000)-4 | 17.78 | 4.45 | 2.41 | 1.37 |
Item | Test method | Standard | Specifications |
Longitudinal shrinkage | ASTM D2671 | 0-10% | 5% |
Tensile strength | ASTM D2671 | ≥10.3MPa | 18.87MPa |
Elongation at break | ASTM D4.3.1.2 | ≥250% | 330% |
Scan modulus | ASTM D2671 | ≥137MPa | 370MPa |
Heat shock | 250±3℃,4h | No dripping, flowing or cracking | Pass |
Dynamic cut through (KG) | ASTM D3032 | 13.6kg | Pass |
Volume resistivity | ASTM D2671 | ≥1.0×1012Ω.cm | 9.0×1014Ω.cm |
Flammability | ASTM D2863 | ≥28 | 29 |
RT-1112 | 30s self-extinguish | Pass | |
Dielectric voltage | 2500V,60s | No breakdown | Pass |
Tensile strength after aging | ASTM D2671 | ≥6.9MPa | 11.0MPa |
Oil resistance | 97#petrol 23±3℃,24h 100℃±3℃,1h IRM902#oil IRM903#oil hydraulic fluids | No cracking | Pass |
P/N | As supplied (mm) | After recovery | ||
Min. inside diameter | Max. inside diameter | Total wall | Min. adhesive wall | |
CB-DWT(3000)-1 | 5.72 | 1.27 | 1.20 | 0.56 |
CB-DWT(3000)-2 | 7.44 | 1.65 | 1.52 | 0.76 |
CB-DWT(3000)-3 | 10.85 | 2.41 | 1.91 | 1.02 |
CB-DWT(3000)-4 | 17.78 | 4.45 | 2.41 | 1.37 |