AnoxPro — The revolution in the field of corrosion protection for conformal cooling channels

Corrosion protection

Un­til now, there have been no ef­fec­tive treat­ments to guar­an­tee cor­ro­sion pro­tec­tion for ad­di­tive­ly man­u­fac­tured, con­for­mal cool­ing channels.

The new Anox­Pro coat­ing fi­nal­ly of­fers a solution:

  1. Op­ti­mum pro­tec­tion for chan­nels with ex­treme­ly small di­am­e­ters and long chan­nel lengths
  2. Preser­va­tion of the heat ex­change ef­fect pro­vid­ed by the typ­i­cal sur­face rough­ness of ad­di­tive­ly man­u­fac­tured sur­face structures
  3. Ad­di­tion­al ac­tive cor­ro­sion pro­tec­tion thanks to metal­lic par­ti­cles in lac­quer coating
  4. Suit­able for var­io­ther­mal process­es with cool­ing me­dia tem­per­a­tures up to 180°C

Innovative lacquer coating with active protection mechanism

The spe­cial coat­ing mech­a­nism of Anox­Pro of­fers the ad­van­tage that the geom­e­try of the cool­ing chan­nels does not af­fect the coat­ing thick­ness. The av­er­age coat­ing thick­ness is 10 μm. There­fore Anox­Pro can be used uni­ver­sal­ly for a wide range of cooling/heating chan­nel geometries.

Where­as up to now on­ly pas­sive lay­ers have been avail­able, the new in­no­v­a­tive Anox­Pro lac­quer sys­tem con­tains metal­lic par­ti­cles. These act as a sac­ri­fi­cial an­ode and hence main­tain a per­sis­tent, ac­tive pro­tec­tion against cor­ro­sion even in the case of small de­fects in the coat­ing layer.

Un­coat­ed chan­nels af­ter a salt spray test with a du­ra­tion of 230 hours (Na­Cl so­lu­tion acc. to DIN EN ISO 9227) with mas­sive corrosion.
Coat­ed chan­nels af­ter a salt spray test with a du­ra­tion of 230 hours with min­i­mal corrosion.
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