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Building Tips and technical articles. => Building techniques => Topic started by: Ward Van Duzer on May 17, 2010, 10:39:33 AM

Title: FWIW Compatability Chart
Post by: Ward Van Duzer on May 17, 2010, 10:39:33 AM
Print this and put it in your dope drawer!
Title: Re: FWIW Compatability Chart
Post by: Tim Wescott on May 17, 2010, 12:39:00 PM
Print this and put it in your dope drawer!
The "over" section is missing "high nitro fuel".
Title: Re: FWIW Compatability Chart
Post by: Howard Rush on May 17, 2010, 04:33:29 PM
Aero Gloss works over K&B Superpoxy (for all of you planning to finish your airplane in 1975). 
Title: Re: FWIW Compatability Chart
Post by: Posthole_digger on May 18, 2010, 06:49:47 AM
I think Harry Higley should be given credit for this chart as it is from one of his books.

Paul
Title: Re: FWIW Compatability Chart
Post by: Ward Van Duzer on May 18, 2010, 08:20:21 AM
Thanks Harry!

I didn't know that...I've had it around for years. Mebbe more!

Could probably be updated. anyone?


W.
Title: Re: FWIW Compatability Chart
Post by: Randy Ryan on May 25, 2010, 06:38:13 PM
Don't know how old this chart is, but if its more then 5-6 years old then it may not be all that accurate. EPA and some state regulations have forced formulation changes in some products. Some stuff I've used with success in the past is nolonger compatable, so still make sure you do a little test before commiting.
Title: Re: FWIW Compatability Chart
Post by: Brett Buck on May 25, 2010, 08:43:34 PM
Don't know how old this chart is, but if its more then 5-6 years old then it may not be all that accurate. EPA and some state regulations have forced formulation changes in some products. Some stuff I've used with success in the past is nolonger compatable, so still make sure you do a little test before commiting.

   I think this is a far bigger problem than mixing types of materials. Dope can very frequently be incompatible with itself from batch to batch. I feel pretty comfortable with epoxy being consistent, at least with the sprayed material. The thinners are generally not compatible, but my most recent airplane has a mix of Klass-Kote, ancient K&B Superpoxy, and even more ancient Hobbypoxy, and even mixing the Klass-kote with half Klass-kote and half K&B Superpoxy catalyst (to get the correct shade of brownish white, I used the catalyst from a rusty can!) seems to be fine, just like Dave Platt said it would.

    Brett