How to Use Insta-Blak A-385
Insta-Blak A-385 can be used to give aluminum and its alloys a decorative gray-to-black finish without the use of professional equipment or precautions.
Use Insta-Blak A-385 to:
- Blacken aluminum and its alloys at room temperature
- Eliminate need for special equipment, safety/control procedures, ventilation, and heating
- Achieve pewter gray to deep black finishes, depending on dilution and immersion time
- Use as an immersion solution (when diluted)
- Use as a swab-on solution (when used at full strength)
- Achieve minimal thickness and no dimensional change
- Avoid caustic fumes, unpleasant odors, and safety hazards
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.
PLEASE NOTE: Orders ship within 3 business days.


How to Use Insta-Blak A-385
Insta-Blak A-385 can be used to give aluminum and its alloys a decorative gray-to-black finish without the use of professional equipment or precautions.
Use Insta-Blak A-385 to:
- Blacken aluminum and its alloys at room temperature
- Eliminate need for special equipment, safety/control procedures, ventilation, and heating
- Achieve pewter gray to deep black finishes, depending on dilution and immersion time
- Use as an immersion solution (when diluted)
- Use as a swab-on solution (when used at full strength)
- Achieve minimal thickness and no dimensional change
- Avoid caustic fumes, unpleasant odors, and safety hazards