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Insta-Blak A-380 is a room-temperature immersion process for blackening aluminum that's ideal for small machine parts, grommets, screws, and other hardware. One gallon of Insta-Blak A-380 can coat 150–200 sq. ft. of aluminum parts.
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Insta-Blak A-384 is a liquid-concentrate solution used at full strength. This swab-on blackening solution is ideal for performing touchups on aluminum and many alloys. One gallon of Insta-Blak A-384 can coat 100–200 sq. ft. of aluminum parts.
Insta-Blak A-385 is an aluminum-blackening process that can be used as both an immersion and a swab-on solution. It's an easy-to-use finish that requires no special equipment or procedures. One gallon of Insta-Blak A-385 can coat 150–250 sq. ft. of aluminum parts.
