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LarryRosen
Joined: 16 Jan 2006
Posts: 415
Location: Medford, NJ
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 Posted: Sat Dec 16, 2006 7:02 am Post subject: Cabin Top Mold Release |
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Getting ready to start finishing the inside of the cabin top. There are
some large voids (surprise surprise) that have a yellow to orange
residue. Is this mold release? Should I use a solvent to remove it?
Would acetone work?
--
Larry Rosen
RV-10 #356
http://lrosen.nerv10.com
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_________________
Larry Rosen
#40356
N205EN (reserved)
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Deems Davis
Joined: 09 Jan 2006
Posts: 925
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| Posted: Sat Dec 16, 2006 7:38 am Post subject: Cabin Top Mold Release |
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If I'm understanding correctly, and if the yellowish areas are hard, I
believe these are voids that the fiberglass vendor has filled with and
epoxy/filler solution, try scratching these to see\ if they act like
epoxy. Mold release is a wax like substance that is soft.
Deems Davis # 406
Finishing - ( A Misnomer ! )
http://deemsrv10.com/
Larry Rosen wrote:
| Quote: |
Getting ready to start finishing the inside of the cabin top. There
are some large voids (surprise surprise) that have a yellow to orange
residue. Is this mold release? Should I use a solvent to remove it?
Would acetone work?
|
| | - The Matronics RV10-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RV10-List |
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noel(at)blueskyaviation.n
Guest
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| Posted: Sat Dec 16, 2006 10:11 am Post subject: Cabin Top Mold Release |
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Larry,
Start with water; most mold releases today are waterborne. If that does not
work go with the acetone
Noel Simmons
Blue Sky Aviation Inc
LWT
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gommone7(at)bellsouth.net
Guest
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| Posted: Sat Dec 16, 2006 12:29 pm Post subject: Cabin Top Mold Release |
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| Quote: | I don't thinks is mold realease ,the cabin is vacum bagged,the release is apply only in the mold side ,the inside is the work side,
Hugo
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do not archive
[quote] From: "Noel & Yoshie Simmons" <noel(at)blueskyaviation.net>
Date: 2006/12/16 Sat PM 01:10:01 EST
To: <rv10-list(at)matronics.com>
Subject: RE: Cabin Top Mold Release
Larry,
Start with water; most mold releases today are waterborne. If that does not
work go with the acetone
Noel Simmons
Blue Sky Aviation Inc
LWT
--
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pitts_pilot(at)bellsouth.
Guest
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| Posted: Sat Dec 16, 2006 3:11 pm Post subject: Cabin Top Mold Release |
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I believe that most mold release agents are water soluble.
Linn
do not archive
Larry Rosen wrote:
| Quote: |
Getting ready to start finishing the inside of the cabin top. There
are some large voids (surprise surprise) that have a yellow to orange
residue. Is this mold release? Should I use a solvent to remove it?
Would acetone work?
|
| | - The Matronics RV10-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RV10-List |
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indigoonlatigo(at)msn.com
Guest
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| Posted: Sat Dec 16, 2006 8:34 pm Post subject: Cabin Top Mold Release |
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As Hugo stated on the lastest email concerning this topic, if it is on the
inside of the part it is lickely one of the following.
1) A lack of adequate fiberglass cloth over the core material and it is
showing through.
2) A separator film, like peel ply(Absorbant)(usually white in color) or
perforated release film plastic(non absorbant)that is laid over the part to
separate it from the next material.
3) A breather cloth which allows all the air to be removed from the project
prior to the vacuum bag touching down on the part while pulling vacuum.
4) unlikely to be the actual vacuum bag with all this other stuff in between
during the entire process.
On the outside, up against the mold, the wax they use is whiped off just
like the finish on your car, you can't see it. Over that, they use PVA(
poly vinyl acetate) an alcohol/water based release agent, green in color and
leaves a transparent film so thin it would whipe off with a sponge and
water.
In any case, it doesn't speak to well for the manufactures of the part.
John G.
| Quote: | From: Larry Rosen <LarryRosen(at)comcast.net>
Reply-To: rv10-list(at)matronics.com
To: rv10-list(at)matronics.com
Subject: Cabin Top Mold Release
Date: Sat, 16 Dec 2006 10:01:42 -0500
Getting ready to start finishing the inside of the cabin top. There are
some large voids (surprise surprise) that have a yellow to orange residue.
Is this mold release? Should I use a solvent to remove it? Would acetone
work?
--
Larry Rosen
RV-10 #356
http://lrosen.nerv10.com
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| | - The Matronics RV10-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RV10-List |
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