Release Ultra Concentrate 1 Gallon Aircraft Cleaner/Degreaser

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Single - 1 Gallon Case of 4 - 1 Gallon
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Reach for Release® - The most effective aircraft cleaner and degreaser is safe to use on all aviation surfaces due to its advanced associative technology. No more spot testing, it won’t hurt the surface, period. Release Ultra® is an ultra-concentrated non-solvent base product that is formulated for rapid penetration and removal of dirt, grease, grime, oil, exhaust soot, bugs, and organic soils. It will need to be diluted down to a ready-to-use ratio that fits your cleaning needs. Release works by emulsifying the soil and releasing it from the surface, not attacking it. Release® can be used on interiors and exteriors and is fragrance-free, meaning there is no chemical smell.

The list of surfaces Release® can be used on is endless, this is because it contains no phosphates or harmful chemicals and won’t stain the surface. It even meets AMS, Boeing, and McDonnell Douglas specifications and is approved for use on Textron brands such as Cessna, Hawker, and Beechcraft. You’ll have peace of mind when using Release® that it won’t stain or damage the surface you’re cleaning. You won’t find a better value in cleaning than Release Ultra®. With the ability to refill your container for as low as 21 cents per refill, Release Ultra® is a great cost-effective choice.

SyQuest products come in recyclable containers, do not use aerosol gasses, and are biodegradable. This is part of SyQuest's commitment to preserve our environment and reduce emissions. By purchasing Release Ultra®, we ship less water reducing shipping emissions. It allows ordering fewer products than a normal cleaning concentrate. Do more with Release Ultra®, cut out other cleaning products such as your glass cleaner, interior cleaner, insect cleaner, or even carpet stain remover.

Dilution Ratios

Use 1:20 on grease, thick carbon soot, bugs, and stains, or for tough soils.
Use 1:40 on moderate dirt, dust, and mild carbon soot, or for general cleaning.
Use 1:60 on light dirt, and dust, or for touch-ups.
Use 1:100 on surfaces like glass, plexiglass, stainless steel, aluminum or any shiny or reflective surface.
California Prop 65 Warning Symbol

WARNING: Cancer and Reproductive Harm -


  • RELEASE® ULTRA uses the latest nanotechnology to emulsify grease, oil, carbon, and mold - with no impact to surface finishes
  • Ideal for cleaning APU ports, landing gear, and removing brake dust
  • Safe for use on plastic, aluminum, paint, glass, rubber, and all flame retardant surfaces
  • Free of volatile solvents
  • Earth-friendly - no phosphates or other harmful chemicals
  • Pure clean - leaves no residue or streaks
  • Meets Boeing, McDonnell Douglas and AMS specifications for aircraft cleaning


  • RELEASE® ULTRA meets Boeing, McDonnell Douglas, and AMS specifications.
  • It has also been approved by Textron Aviation for use on Beechcraft, Cessna, and Hawker aircraft.


  • RELEASE® ULTRA removes even the most tenacious dirt, carbon, and grease
  • Concentration: Ultra Concentrate
  • Brand: Commercial Transportation
  • Transportation: Aviation

Directions for use

  • Dilute to best ratio for cleaning task
  • For best results, the surface should be cool and dry
  • Spray on soiled surface until thoroughly wet
  • For stubborn soils, some agitation may be required
  • Wipe dry with a clean cloth or paper towel, rinsing not necessary
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Purchased to clean the rubber roof on my motorhome. Really did an amazing job and I have since used it in many automotive and household projects

Philip O Verified Purchase


August 30, 2023

Great product. Bugs and grease melt off.

Jeff T Verified Purchase


February 3, 2023


Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Can this product be used on RV exteriors?

Yes, this should work fine but we always recommend trying a small test area first.

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