NICKEL-FREE LOW TEMPERATURE SEAL
FINALLY NICKEL-FREE LOW TEMPERATURE SEAL WITH MEDIUM TEMPERATURE AGEING OFFICIALLY PRESENTED AT ALUMINIUM TWO THOUSAND CONGRESS IN FLORENCE, 12-16 MAY 2015 The nickel-free HARDWALL EHR low temperature sealing process allows sealing of anodic oxide layers on aluminium and its alloys to be carried out at room temperature. The result is a perfect quality seal suitable for outdoor corrosion resistance including industrial and marine environments. HARDWALL EHR is an ecological process completely free from nickel and other toxic compounds. HARDWALL EHR requires an ageing step with HARDWALL EHR 2...
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