- Inner tube with NBR (Nitrile Butadiene Rubber)It’s in contact with the fuel, and it’s resistant to gasoline, diesel, oil.
- THV (fluoropolymer) layerIt’s positioned between the inner rubber (NBR) and the textile reinforcement, acting as a fuel-permeation barrier.
- Textile reinforcementIt’s usually polyester, nylon or rayon cord and it provides: pressure restistance, dimensional stability, burst strength. It allows the hose to remain flexible while handlling the operating pressure.
- Outer cover CSMIt’s the outer cover of the hose to guarantee the protection againsta heat, ozone and weathering.
Colmec among its products could provide complete lines turn-key solutions for this kind of products.











