Surtec 650 is a hexavalent chromium free passivate for aluminium, fulfilling the requirements of ELV, RoHS and WEEE.
It also works on alloyed and cast aluminium and meets the requirements of MIL-DTL-81706B and MIL-DTL-5541F.
Suitable as a conversion coating for Magnesium.
Liquid concentrate based on Trivalent Chromium.
Excellent bare corrosion protection comparable to Hexavalent Chromium.
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