Filler neck hose


This hose connects the fuel supply port to the fuel tank of an automobile. Flexibility is essential to prevent fuel leaks in the event of an accident. Both Fluoropolymer and Fluoroelastomer with low fuel permeation may be used.

Material of the filler neck hose

Required characteristics

- Low fuel permeability
- Flexibility
- Chemical resistance

Daikin Solutions

Utilizing co-crosslinking and direct bonding with general-purpose rubber such as NBR and ECO, Daikin’s Fluoropolymer NEOFLON CPT LP-Series is a material with low fuel permeation used in filler neck hoses.