CircleSafe® 820A – Aerosol Black Water Method

CircleSafe® 820A is an aerosol spray can of Mi-Glow® 106 black particles, premixed with liquid Wetting Agent 771, formulated in water media. It is designed to be used with visible light inspection for detecting discontinuities found in finished products and structural fabrications. Higher particle concentration provides heavier indication buildup for easy detection. This aerosol is packaged in a carbon dioxide propellant for odor-free, fume-free, non-combustible inspection. CircleSafe® 820A can be used with Mi-Glow® WCP.

Available as:

  • 12 x 16oz Aerosols



Product Data Sheet: Download

Safety Data Sheet: Download

Particle Color: Black

Particle Size:Not less than 98% passage through US Standard No. 325 (45μm) sieve as defined in AMS 3042. The typical range of particle sizes is from 1 to 12 μm, with an average particle size of 5 μm.

Sensitivity: CircleSafe® 820A shows a minimum of 6 lines on an AISI 01 Ketos tool steel ring (as defined in SAE AS5282), set on a 1-inch diameter copper bar, magnetized with 2500 A of direct current.

Temperature Limits: 120°F Maximum

Shelf Life: Two (2) years when stored in a clean area, away from excessive heat or cold.