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Zinc single dip trivalent chromate coatings include (all ROHS compliant):
                                                              Olive Drab
                                                              Red, Blue, & Green Dyes
                                                              Call for special colors

Zinc coatings prevent oxidation of the protected metal by forming a barrier and by acting as a sacrificial anode if this barrier is damaged. Zinc oxide is a fine white dust that (in contrast to iron oxide) does not cause a breakdown of the substrate's surface integrity as it is formed. Indeed the zinc oxide, if undisturbed, can act as a barrier to further oxidation, in a way similar to the protection afforded to aluminum and stainless steels by their oxide layers. The majority of hardware parts are zinc plated.

Plain parts as we receive them.

Zinc Yellow Trivalent Chromate