Alochrom is a conductive, immersion process used in the passivation of aluminium where low electrical resistance is required,

Alochrom 1200 is yellow in colour and offers the best corrosion resistance and is also used as a pretreatment on aluminium that requires painting for electrical bonding.  

Parts that require painting should be done so within 48 hours of being treated with Alochrom 1200.

We also offer Alochrom 1000 which is clear in colour as well as other RoHS compliant variants that are chrome free such as Surtec 650, Iridite NCP.