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Surface Spray

Written by Michael Cone

Updated at February 5th, 2026

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Table of Contents

AESUB Blue Spray Helling Spray Magnaflux Dynaflux

Removable surface sprays are helpful for coating surfaces that are highly reflective or very black. Then can also aid in marking the area to measure.

AESUB Blue Spray

  • Very thin coating
  • Designed for laser scanning
  • Vanishing (evaporates over time) - no cleaning required
  • $240 per case of 6 cans (January 2022, Amazon)
  • See aesub.com

Helling Spray

  • Very thin coating
  • Designed for laser scanning
  • Cleans with a dry rag.
  • Is not as dense as Magnaflux or Dynaflux. The goal of the spray is to break the reflectivity - for which a complete coverage is not necessary.
  • $300 per case of 12 cans (January 2021)
  • See this page

Magnaflux

Magnaflux Spotcheck SKD-S2 Developer

 

  • Works well
  • Very expensive compared to Dynaflux ($50 to $75 per can)
  • For applications that require cleaning, the corresponding cleaner is SKC-S
  • May cause an allergic reaction in the skin of some operators

Dynaflux

Dynaflux DF315-16 Crack Check D-F Developer
 

  • Works well
  • DF315-16 Flammable Nuclear grade uses non-chlorinated solvent
  • DNF315-16 Non-flammable Standard grade
  • Very inexpensive ($5 per can)
  • For applications that require cleaning, the corresponding cleaner uses the same Dynaflux part number.
  • May cause an allergic reaction in the skin of some operators
  • https://www.dynaflux.com/product/nuclear-grade-developer/
coating mist

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