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Bad Lacquer Advice!


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#16 PhilipGCaldwell

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Posted 26 October 2009 - 08:41 PM

thanks for the condolances guys, will let ya know how i get on tommorow, i have a receipt so maybe i can hustifiy to them that they didnt supply me with the correct products after i specificly stated that i needed "everything to respray a car", I even bought my spray gun there aswell, surely a bit of a giveaway!If i dont get anything then u may see a structurally sound mini 30 with a bad paint job on ebay in 24 hours time!no joke!
Phil

#17 AdamBilsy

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Posted 26 October 2009 - 08:44 PM

I did this not so long ago with some 2pack Primer, Totally forgot to put the hardener in!

Ended up scraping it all off with a scraper and some thinners, Luckily it was only the Rear of the car I had painted.

#18 PhilipGCaldwell

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Posted 26 October 2009 - 08:46 PM

im afraid, i have completely spayed it (3coats)

#19 Jonny3979

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Posted 26 October 2009 - 08:52 PM

I feel for you, I have just sprayed my CBR1000RR panels and they took months of sore fingers to get them perfect.
I work in my friends bodyshop doing up my bike and cars - he's a professional sprayer - Ill ask his advice tomorrow - Im sure it will be similar to that above, but he might give you some more options.

Jon

#20 PhilipGCaldwell

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Posted 26 October 2009 - 09:29 PM

im gunna use nitro mors to remove it i think, good idea??

#21 AdamBilsy

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Posted 26 October 2009 - 09:32 PM

I would be tempted to Try a scraper and some Panel Wipe first, and hope it doesn't affect the paint underneath.

#22 PhilipGCaldwell

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Posted 26 October 2009 - 10:52 PM

panel wipe, can i get this from halfords?nitromors is a bit aggressive

#23 daemonchild

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Posted 26 October 2009 - 10:56 PM

Thats what I was thinking.
If it's not hard, can it be kinda 'swept' off with something?

(Man I feel for you! Painting is the scariest bit of all for me - I HAVE NO IDEA, so don't take anything I say regarding paint as advice!)

#24 panelbeaterpeter

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Posted 26 October 2009 - 11:00 PM

Thinners, and a rag is the best thing, trust me I've been painting cars for 5 years. I've done the same thing before, "when I was a boy.." and that's the only way. Panel wipe will not remove lacquer, it's just petroleum distillate, okay for degreasing light contamination but that's abput all. Fingers crossed, you will not soften the primer, and you'll just have to basecoat it again before new laquer. Edit : Don't use nitromors, total overkill! It will melt the laquer, the primer, and whatever's underneath!

Edited by panelbeaterpeter, 26 October 2009 - 11:01 PM.


#25 PhilipGCaldwell

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Posted 27 October 2009 - 07:30 AM

thanks for the advice panel beater, will start on it this afternoon, i have decided that i wont sell it, i will lose too muych money selling it, i wont let terrible advice and them supplying insufficient product deter me from my mini dream!im going to the paint shop at dinner time to give them my 2pence worth!

#26 midridge2

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Posted 27 October 2009 - 11:05 AM

you have not said what type of paint and laquer you have used.

#27 dave21478

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Posted 27 October 2009 - 11:56 AM

Dont expect to get anywhere with a complaint, especlly if its 2k paint, as it is always your own responsability to read the paints data sheet for spraying advice and health n safety reasons. Many paint manufacturers have all the info online, with the coshh assesments and spraying advice regarding mixture and thining ratios, gun nozzle sizes and air pressures.

#28 cooper_shaz

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Posted 27 October 2009 - 12:39 PM

Just before you go gun a blazing. Upol do a 5 litre tin of laquer that is ready to spray straight out of the tin.

It is an acrylic type that does not need any additives, it is designed as a stop gap between cellulose and 2k, cellulose has an agressive base chemical that will react with 2k base coat, and 2k base coat will require a 2 parts lacquer to 1 part activator/hardener and approx 10% thinners. You will also need a finer nozzle spray gun to achieve a good result and a respirator.

This is the UPOL ready to use stuff...

Posted Image

If this is what you have used then your fine. 3 coats is fine and you will need to keep the garage heated over night for it to cure. You will probably find that it is the low temprature that is prolonging drying time.

A couple of fan heaters from Argos £12 each will do the trick..

#29 cooper_shaz

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Posted 27 October 2009 - 12:44 PM

now my mini looks the texture of orange peel, it is also 3 days ago i sprayed it and its still not hardened properly (after readin the instructions it advises thinnig 2:1)!!!


HElp help help
Phil



Also as a note.. you have not thinned it, but you can get away with that , dont attack it with nitromorse. the thinners will do just that, "Thin the paint" as you missed that step, you will have thick pacquer and thats why it has orange peeled, and also because it is so thick, it will take longer to cure.

when it is dry, you can flat it back with some P1200 wet n dry and lots of soapy water, then move up to P1500, then to p2000 and buff it up to get a smooth glossy finish..

Hope this helps..

#30 midridge2

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Posted 27 October 2009 - 12:44 PM

thanks shaz, good advice from a proffesional painter who like me wants the facts before shooting down the supplier.




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