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Post by frostie on Sept 28, 2014 14:14:55 GMT 1
are triple s still the place to go in the north for powder coating. my frame is powder coated but i want a change of colour.
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Post by stusco on Sept 28, 2014 14:29:12 GMT 1
How do they get old powder coating off mines will need redone afte some welding
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Post by muttsnuts on Sept 28, 2014 18:50:10 GMT 1
not easy to remove powder coating, best stuff I've seen do it is chloroform but not many people have it - for obvious reasons ! - still the chap I know who has it says his wife never argues with him - can't imagine why that is !!
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Post by stusco on Sept 28, 2014 19:01:32 GMT 1
Really chloroform as in the stuff used to knockout king kong ? You learn something new everyday
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Post by stusco on Sept 28, 2014 19:02:57 GMT 1
PS where can I get some need to stop her moaning about the money pit in the garage
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Post by andrew on Sept 28, 2014 19:16:59 GMT 1
PS where can I get some need to stop her moaning about the money pit in the garage er +1 lol
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Post by muttsnuts on Sept 28, 2014 19:19:51 GMT 1
hehe, yeah that's the stuff, he keeps it in a large container outside in his yard - funny that, could you imagine it being in an enclosed space !
he stops it evapourating by keep a thin film of water on top of it, its really funny stuff I must admit, thought he was joking initially - I didn't even ask where he got it from, I reckon the tank its in must hold 800 gallon !
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Deleted
Deleted Member
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Post by Deleted on Sept 29, 2014 12:40:08 GMT 1
MN's
are you sure its chloroform and not methylene chloride, chloroform will dissolve in water or at least sit on top of it
Methylene chloride will allow a water seal over it to stop evaporation
It is a very very good paint stripper and carbon remover, just don't let it near rubber or anything else organic or it will eat that too, including us. its what they replaced caustic with in the newer paint strippers
It is most likely a cold tank solution of phenol and methylene chloride with a few bits added to stop the two reacting, it was very common in the old engine re-conditioners for cleaning up alloy parts to remove paint and carbon, ie cylinder heads bike frames, including powder coating etc you don't see a lot of it around much as there are more friendlier solutions around
The beauty of it was it did its trick (at least when new)in about 15 mins any longer than an hour or so and the product was cactus
You had to submerge the part below the water level or corrosion would take place at the intersection of the two too much water and the weight if water would invert the solution and it would all evaporate away
so when you have a few heads barrels or even exhausts to decoke, take them to your mate along with a carton of beer to pay for the job
there wont be any paint left on the exhausts or carbon left inside them
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jackr1
L plate rider.
"Racing makes heroin addiction look like a vague desire for something salty..."
Posts: 36
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Post by jackr1 on Sept 29, 2014 12:45:18 GMT 1
Errrr, why not just blast it ?
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Deleted
Deleted Member
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Post by Deleted on Sept 29, 2014 15:25:49 GMT 1
oops technical error Chloroform isn't miscible with water however it could be benzyl alcohol he is using which is much safer and non carcinogenic like methylene chloride
+1 jackr1 on the sand blasting
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Post by steve h on Sept 29, 2014 16:50:28 GMT 1
Will it blast off? anyone done it? The shit that's plastered on my LCs frame is an 1/8" thick in places.
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Post by ellasae on Sept 29, 2014 17:29:39 GMT 1
I would think that it'd blast off ok , although sand is no longer used as a blasting medium.
Bizarrely baking soda is regularly used now as a medium as well as glass beads.(which i guess is what'd be needed to remove powder coating)
My spare barrels and head were soda blasted last week and came out really well
David
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Post by flatspot on Sept 29, 2014 19:04:40 GMT 1
I had my powder coat chemically removed in a place in Preston. Can't remember the price now but it was reasonable and they do all the shitty work.
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Post by okeydokey on Sept 29, 2014 21:26:30 GMT 1
Blasting off powder coat actually removes more metal than is good for the finish. If you get my drift? It also takes about 2 to 3 times longer than if it was just the original paint. Also a good chance your frame no. will be obliterated. Just taken my DT frame in for coating that was previously done, was advised to remove/strip as much of it off as poss as the time/cost will increase the longer it takes them to 'blast' it.
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jackr1
L plate rider.
"Racing makes heroin addiction look like a vague desire for something salty..."
Posts: 36
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Post by jackr1 on Sept 29, 2014 22:16:26 GMT 1
I run my own powder coating business and often use blasting
It's more difficult to blast than paint. Paint flakes off, powder gets hot with the friction of the blast medium and goes tacky but with a skilled blasting method you can 'roll' the powder away
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Post by ellasae on Sept 29, 2014 22:21:12 GMT 1
I run my own powder coating business and often use blasting It's more difficult to blast than paint. Paint flakes off, powder gets hot with the friction of the blast medium and goes tacky but with a skilled blasting method you can 'roll' the powder away I was led to believe that baking soda generates very little frictional heat compared to other mediums, although i've never seen it tried on powder coating
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jackr1
L plate rider.
"Racing makes heroin addiction look like a vague desire for something salty..."
Posts: 36
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Post by jackr1 on Sept 29, 2014 22:26:41 GMT 1
Yes it would but i guess it would be a 'forever job' to do. Even if it was aggressive enough
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Post by jon on Sept 30, 2014 8:30:07 GMT 1
Just a thought, but if you only want a change of colour, an the powder coating is sound (and hasn't been trowelled on), why not just key it in and go over the top in paint?
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Post by frostie on Sept 30, 2014 21:20:01 GMT 1
been in touch with triple s and they can do the job no problem
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