There is a small fee for samples shipped in the continental U.S. This can range from $10-$75. Products shipped outside the continental U.S. can be subject to certain restrictions. Freight charges may range from $75-$300.

Audio and Video Library

Learn everything you need to know about black oxide from EPi.

AUDIO LIBRARY

Listen to audio clips about EPi's Blackening Products.

Intro to EPI’s Black Oxide Products

Insta Blak 333 – Room Temperature Black Oxide

Ultra Blak 400 – Hot Black Oxide

VIDEO LIBRARY

Watch the black oxide process in action on the various YouTube videos provided.

Hot Black Oxide - Ultra Blak 400 Part 1 - Presented by Eric Olander - President of EPi

Hot Black Oxide - Ultra Blak 400 Part 2 - Presented by Eric Olander - President of EPi

Mid Temperature Black Oxide - KOOL-BLAK 225

Room Temperature Black Oxide - Insta Blak 333 Part 1 - Presented by Eric Olander - President of EPi

Room Temperature Black Oxide - Insta Blak 333 - Part 2 - Presented by Eric Olander - President of EPi

Room Temperature Black Oxide - Insta Blak 333 - Part 3 - Presented by Eric Olander - President of EPi

Room Temperature Black Oxide - Insta Blak 333 - Part 4 - Presented by Eric Olander - President of EPi

&amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/p&amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;gt;