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CircleSafe® 850A Water Based Dual, Fluorescent and NonFluorescent (Dual) Aerosol by Circle Systems

CircleSafe® 850A Water Based Dual, Fluorescent and Non-F fluorescent (Dual) Aerosol

General Description:

CircleSafe® 850A is an aerosol spray can of Mi-Glow® 600 red particles and 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. CircleSafe® 850A can be further enhanced when used with a UV-A light or blue light.

This aerosol is packaged in a carbon dioxide propellant for odor-free, fume-free, non-combustible inspection.

Physical Characteristics: Red solution with a slight detergent odor, contained in an aerosol package.

Typical Properties: (Not a specification)

  Mi-Glow® 850A
Particle Color Red
Average Particle Size 10 µm
AMS Standard N/A
SAE Sensitivity* N/A
Temperature Range 120°F Maximum


  • 1. For best results, use when can is between 70° and 90° F (21° and 32° C).
  • 2. Thoroughly clean surface to be examined.
  • 3. Shake can vigorously for fifteen seconds and occasionally during use.
  • 4. Point spray button toward inspection surface, holding can 7 to 9 inches (18 to 24 cm)from surface.
  • 5. Spray solution onto suitable, magnetized surface until the surface is thoroughly covered with solution.
  • 6. Examine the surface under black light for fluorescent indications.
  • 7. If clogging develops, turn spray button ¼ turn. If clogging persists, remove and clean spray button. DO NOT put pin or other object into can opening. Gently replace spray button with a twisting motion, holding top of can and spray button opening pointed away from you.
  • 8. Discard empty can in trash. DO NOT place in garbage compactor

Specification Compliance: Particles meet all relevant industry specifications.

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

Part Number and Container Size:

  • 3630: 12 / 16 ounce cans / case
  • (Product Data Sheet)
    (Technical Bulletin Sheet)
    Product SDS October 24 2013 Version 01