Technical automotive hoses (fuel, brake, air)
See also: Industrial Manufacturing and Chemicals
What it is
Automotive hoses for technical applications (fuel lines, brake systems, compressed air lines, vacuum lines, secondary cooling) use TPU as structural material or as a specific layer in multilayer constructions. TPU offers a unique combination: low-temperature flexibility (−40°C), resistance to modern fuels (gasoline E10, E25, E85, biodiesel, S10 diesel), resistance to medium pressures (up to 30 bar), and durability over millions of flex cycles. In typical multilayer construction: inner permeation barrier layer (fluoropolymer or nylon), structural TPU layer, braided fiber reinforcement for pressure, outer TPU layer for abrasion protection. They compete with traditional rubber hoses in applications where low-temperature flexibility and superior chemical resistance justify the higher cost.
Why it matters
For automakers, interior Tier 1s and specialized suppliers, automotive hoses is a component where field failure means direct warranty liability — recall, fleet-scale replacement, or worse, OEM specification non-conformance that removes the supplier from the program for 5-7 years.
Current drivers accelerating. Electrification shifted performance baseline: EVs without combustion noise expose every secondary noise and vibration source, raising NVH demands. Emission regulation (interior VOC, end-of-life recyclability, evolving global standards) grows stricter. And dual-source qualification became a global OEM standard to reduce supply disruption risk — opening windows for qualified suppliers to enter active programs.
What to evaluate
Unlock What to evaluate on Technical automotive hoses (fuel, brake, air).
Quick one-time registration — permanent access to all technical content in the portal.
Market
Unlock Market on Technical automotive hoses (fuel, brake, air).
Quick one-time registration — permanent access to all technical content in the portal.
Value proposition
Unlock Value proposition on Technical automotive hoses (fuel, brake, air).
Quick one-time registration — permanent access to all technical content in the portal.
Talk to a Chemtier specialist
We bring chemistry to your shop floor: technical system recommendations, supply and process support.
Related applications
Automotive seats (cushion and backrest)
Molded MDI flexible foam · Molded TDI foam
Bumpers and fascias (RRIM)
RRIM (Reinforced Reaction Injection Molding) system · SRIM (Structural RIM) system
Automotive acoustic insulation
Absorbent flexible foam (carpet underlay, firewall) · Molded semi-rigid acoustic foam
Dashboards and instrument panels
PU spray skin (in-mold spray application) · Structural RIM for substrate