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A blend of solvents used for viscosity and drying control of Poly-Brush, Poly-Spray and Poly-Tone. Blend #R-65-75 is recommended as the standard reducer in normal weather, 6575F. #RR-8500 is a retarder-reducer with slower drying time. Recommended for temp above 85 & warm humid weather.
Important Notice: All mixed paints are special order and are non-returnable.
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i bought a taylorcraft envelpoe that didnt fit my aircraft. AS did nothing about it. Not happy

Montgomery S Verified Purchase


October 12, 2021

So far, so good! Needed the reducer to thin PolyBrush and that is still a couple weeks in the future. Not necessary this time, but thanx for the fast shipping. Just wish the reducer was not QUITE so $$$$$!!

Bruce E Verified Purchase


August 21, 2021

Aircraft Spruce, you responded again, and very quickly I might add. Much appreciated. Thanks for being there when we need you the most. Even little things like this, that will hold up a project if not responded to quickly, are taken care of routinely by you folks!! That is why we will continue to use Aircraft Spruce!!

Norris W
October 29, 2020

Pure and stable reducer, any product that stands up to my personal saying SAY WHAT YOU DO AND DO WHAT YOU SAY Has my vote.

July 2, 2020

I use this for RC Airplanes. It works perfectly, along with poly brush, on the fabric covering.

Keith D
April 20, 2020

arrived on time, and in good shape

Terry D
November 1, 2018

Can was slightly dented from shipping damage.

Wheelock E
February 21, 2020

August 20, 2017

reducer leaked but was retained by inside wrap but it leaked on both cans. I sent pictures to you.

September 7, 2020

Can was heavily dented in shipping but did not leak. The carton stupid green paper packing is not protecting as well as the plastic pellets did. The climate change hoax is just that: a politically motivated hoax. Man is not causing climate change, only nature is as the planet has had ongoing change forever and man is simply part of nature and has minimal influence on climate no matter what we do,.

Wheelock E
February 21, 2020


Please note, Aircraft Spruce Canada'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 Canada 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: What is the recommended mix for Stits R6575 to Poly Tone for spraying with a HVLP gun?

You would use a 3:1 Mix Ratio. 3 Poly Tone, 1 R65-75 Reducer.

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