Black Diamond NF is a nickel free room temperature blacking process that safely produces
a firmly adherent black oxide coating on steel surfaces without any of the hazards associated
with nickel based processes and hot caustic processes. the coating is an
integral with the steel surface with no dimensional change.
Black Diamond NF is ideal for small or large volume users alike. parameters are the same
for treating one screw or a hundred thousand screws.
Safety Data Sheet
Black Diamond NF SDS