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‘World’s first’ cost-efficient coating solution for AC piping

K’2013, Solvay Engineering Plastics demonstrates efficient fluid barrier material in application for air conditioning systems.

Used as a protective coating for aluminium refrigerant piping, Technyl eXten is claimed to provide cost and ecological benefits by helping to replace copper.

David Kim, CEO at GMS Korea said: “Aluminium has a better surface-to-weight ratio, melts at lower temperatures and is far less expensive than copper. Consequently, we were seeking a coating material to support our initiative for replacing copper by aluminium without trading off these benefits and compromising the high surface quality expected by our customers.”

“The Technyl eXten material from Solvay exhibits excellent flowability and metal adhesion. This and its high chemical, UV and temperature resistance coupled with low humidity absorption ensure the long-term corrosion protection required by our products. Moreover, the polymer used for Technyl eXten is partially bio-sourced, helping us to lower our environmental footprint in comparison to the use of more conventional, fully petrochemical-based PA 12.”

The new metal coating grade - Technyl eXten D 236AL - is produced in Asia but commercially available worldwide. This special formulation is claimed to help to speed the adoption of aluminium in key application areas from heat exchangers to refrigerant and cooling pipes.

Readers' comments (2)

  • Air Con Specialists

    I've had a go with some aluminium pipe before. It was fairly easy to use but just didn't quite feel right.

    think it will be a fair few years yet before we see aluminium replace copper.

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  • Just didn’t feel right’? – I would say quite simply that’s because it’s not copper – but to take it further the question would be did it work – did it transfer the refrigerant gas effectively and I would imagine the answer would be yes

    Major research has already been carried out through the Automotive industry regarding the use of aluminium in air conditioning and this is now crossing
    Over into our industry – without doubt the use of aluminium is going to come – simple economics will dictate that

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