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White = Compatible
Red = NOT
Compatible
|
V
i
n
y
l
S
p
a
c
k
l
e |
P
o
l
y
e
s
t
e
r
R
e
s
i
n |
D
u
P
o
n
t
3
0
5 |
A
e
r
o
G
l
o
s
s
D
o
p
e |
N
i
t
r
a
t
e
D
o
p
e |
B
u
t
y
r
a
t
e
D
o
p
e |
A
c
r
y
l
i
c
L
a
c
q
u
e
r |
A
l
k
y
d
E
n
a
m
e
l |
E
p
o
x
y
E
n
a
m
e
l |
A
c
r
y
l
i
c
E
n
a
m
e
l |
P
o
l
y
u
r
e
t
h
a
n
e
E
n
a
m
e
l |
| Vinyl Spackle |
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| Polyester Resin |
|
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| DuPont 305 |
|
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| Aero Gloss Dope |
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| Nitrate Dope |
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| Butyrate Dope |
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| Acrylic Lacquer |
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| Alkyd Enamel |
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| Epoxy Enamel |
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| Acrylic Enamel |
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| Polyurethane Enamel |
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|
I am not aware of the origin of this matrix, but it is a very useful tool for
determining whether certain filler materials and finish chemistries are compatible
or, equally important, incompatible. It was included in the July 2012 edition of
the Bean Hill Flyers control-line club newsletter. This might save
somebody the grief and angst from applying a finish over a base that will cause
it to bubble, peel, blister, or not ever dry.
One important point this chart indicates is that you can apply butyrate dope
over nitrate dope, but you CANNOT apply nitrate dope over butyrate dope. There might
be other instances of one-way compatibilities, but if you are not sure, do a test
first or avoid the deadly combination altogether. You also need to verify compatibility
of the various rattle can spray paints, even from the same manufacturer, because
spraying lacquers over enamels and other chemistries can result in disaster - trust
me, I've been there. A few years ago I sprayed Krylon over Rustoleum enamel and
got severe blistering, and had to remove everything, sand, and re-paint.
Please let me know if you have an experience contrary to this chart.
Posted August 21, 2024
(updated from original post on 7/1/2012)
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