[modeleng] Re: Cellulose or Enamel?
- From: "psbr20252@xxxxxxxxxxxxxxxx" <psbr20252@xxxxxxxxxxxxxxxx>
- To: modeleng@xxxxxxxxxxxxx
- Date: Tue, 8 Aug 2006 19:23:04 -0400
Jon,
We painted our Hunslet using cellulose from Precision Paints=2E The paint=
job is now about 2 years old and we have had all sorts of contaminants ove=
r
the boiler etc=2E with no problems whatsoever=2E
In the past (on a Simplex) I used a car cellulose (straight from the spray=
tin so to speak) and whilst it didn't soften, after a few steamings it
crazed on the boiler cladding=2E I assumed that it was because of a
combination of the heat (expansion/contraction) in particular as this
boiler cleading was aluminium=2E
Not sure if this helps or not=2E
Whether Precision Paints use a different cellulose "mix" to that used on
cars=3F
Cheers
Peter
Original Message:
-----------------
From: Jon Mottershaw j=2Emottershaw@btopenworld=2Ecom
Date: Tue, 8 Aug 2006 20:01:23 +0100 (BST)
To: modeleng@freelists=2Eorg
Subject: [modeleng] Cellulose or Enamel=3F
Hi, Guys=2E I have completed painting a 5" loco with cellulose (car paint)=
=2E
It was quick and easy and gave a good hard finish=2ESeveral members in my
club use car paint very successfully and even spray on a fuel proofer whic=
h
makes the paint go even harder=2E Everything was fine until during a steam=
ing
session the boiler primed=2E It spouted water and wet steam from the chimn=
ey
and quickly lowered the water level in the boiler=2E Soon after I noticed
that the paint was blistering and appeared to have softened=2EWhat happene=
d=3F
Was there an acid content coming from the chimney which the paint could'n'=
t
withstand, or was it just excess heat from the boiler during the priming=3F=
I
have been rubbing down today and found the paint really hard - I had to us=
e
P120 to break up the blisters=2E So I'm stuck=2E Should I persist with
cellulose (assuming no more priming) or should I revert to enamel=3F I kno=
w
enamel can go on top of cellulose safely but it takes a long time to
harden=2ECan anyone give me
some guidance=3F I wont be the first to have hit this problem, I 'm sure=2E=
Jon
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