BLACK OXIDE for CAST IRON

Blackening Finishes for Cast Iron Parts

Mid-Temperature

Utilizing a unique two-stage oxidation (Patented), the Tru Temp® Mid-Temperature Black Oxide forms a black magnetite finish on all iron and non-stainless steel parts. The Tru Temp process operates effectively at much lower temperatures than hot black oxide – 100 degrees lower, in fact! The result is a protective black finish - 0.000020" (1 micron) thick, with an attractive satin black appearance equal to that of hot black oxide.
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  • Tru Temp Iron and Steel
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Room-Temperature

A non-dimensional Presto Black finish is a low cost way to achieve good corrosion protection and enhance sales appeal. With a uniform 0.000030 inch (1 micron) thickness, the porous crystalline structure of the black finish makes it an excellent absorbent base for a rust preventive top coat. Once sealed, the Presto Black finish resists up to 1,200 hours humidity test without chipping or peeling.
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  • Presto Black Iron and Steel
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