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Hydrogen Tank Liners

The tank liner is the key component in ensuring the safety of hydrogen storage in FCEV vehicles. The excellent intrinsic resistance of Rilsan® PA11 to low temperatures explains its efficiency as a protection barrier. Hydrogen tanks experience huge internal pressure variations, Rilsan® PA11 is proven to resist crack generation and blistering in case of compression and decompression. In addition, Rilsan® PA11 is extremely lightweight which is perfect for electrical vehicle manufacturers that are always looking to reduce weight. Another key advantage of Rilsan® PA11 is its ease of processing. Whether it be rotomoulding, extrusion blow molding, injection molding and welding or extrusion, there is a Rilsan® grade that fits the bill. This high-performance polyamide is not only useful for onboard fuel tanks but can also be used in hydrogen supply Infrastructures such as filling stations.

Hydrogen Fuel Lines

The challenging requirements needed to produce hydrogen fuel lines and connectors are very similar to those of traditional fuel lines in thermal vehicles. As plastic parts are mainly under-chassis, they are exposed to harsh external environments such as road salts and rocks. Rilsan® PA11 has a solid track record for fuel line applications due to its excellent chemical resistance and mechanical properties such as resistance to impact, temperature, and pressure. In addition to this, it has excellent barrier properties compared to other thermoplastics which is key to avoid hydrogen loss. Associated with other materials in multi-layer structures, Arkema offers a full range of grades based on Rilsan® Polyamide 11 that can be easily processed.



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