Chemask NA – Non-Ammoniated
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Chemask NA – Non-Ammoniated

Chemask® NA Non-Ammoniated Solder Masking Agent is a latex and ammonia free, fast curing, peelable temporary spot mask formulated for safe use on sensitive metals. It contains high-temperature resistant compounds that protect component-free areas during wave soldering. Chemask® NA may be used to protect pins, posts, contacts and edge connections in the solder reflow oven or during conformal coating processes.


  • Will not affect gold, copper, nickel, silver and OSP finishes
  • For lead-free or tin/lead processes
  • Stable to 550º F (288ºC)
  • Phthalate-free, low toxicity and environmentally safe
  • Compatible with rosin, no-clean and water soluble flux types
  • Dries tack free in 15 minutes
  • Can be placed directly into pre-heat oven without waiting
  • Removes easily and leaves no residue
  • Non-contaminating, non-staining and noncorrosive
  • RoHS compliant


  • Engineered for use with bare copper, silver, and other reactive metals
  • Ideal for SMT applications
Specifications MIL-STD-2000A, PARA.5.3.18
Shelf Life 2 yrs.
Shipping Name Coating Compound Not Regulated

Packaging & Availability

Part # Size Units Per Case UPC

8 fl oz./ 236 ml squeeze bottle

24 bottles 32599101004