Author Topic: Lacquer?  (Read 694 times)

Offline DaveN

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Lacquer?
« on: May 15, 2020, 04:23:01 PM »
Hurrah! Finally got the tank finished with decals and lacquer and fitted to the bike this afternoon Filled up with petrol and...BUGGER!
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I used acrylic paint and lacquer - is this a known problem and if so, what type of lacquer is petrol proof?
All advice/tales of similar woe welcome :-)
1977 Honda CB400F Super Sport
2016 Herald Classic 250
*1979 Honda CB550K*
*1980 Honda C90*
*1973 Suzuki GT185*
*1968 BSA Bantam Bushman*
*1964 NSU Quickly*

Offline sye

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Re: Lacquer?
« Reply #1 on: May 15, 2020, 04:41:12 PM »
It needs to be 2k lacquer and be allowed to dry for at least 2 weeks before allowing petrol anywhere near it.
The stuff we buy from the likes of Halfrauds is not suitable.
You can but 2k in an aerosol if you do a search.

Offline DaveN

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Re: Lacquer?
« Reply #2 on: May 15, 2020, 04:55:38 PM »
Thanks Sye, that nips my plan of re-spraying with Halfords 'Petrol Resistant Lacquer' in the bud then.

I've never used 2K paint/lacquer - is one dependent on the other? The tank is in acrylic 1K.
1977 Honda CB400F Super Sport
2016 Herald Classic 250
*1979 Honda CB550K*
*1980 Honda C90*
*1973 Suzuki GT185*
*1968 BSA Bantam Bushman*
*1964 NSU Quickly*

Offline sye

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Re: Lacquer?
« Reply #3 on: May 15, 2020, 05:03:32 PM »
Don't know the answer to that question but a quick search says you can. I'm sure someone on here knows for sure.
There are paint specialists who will supply you with 2k in a can. Search for one and ask them, they will know.
It's not cheap at around £20 a 400ml can, so be sure.

Offline DaveN

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Re: Lacquer?
« Reply #4 on: May 15, 2020, 05:07:10 PM »
Hmmm, I guess only leaving the lacquer for 48 hours (as per the instructions) didn't help either then. Ah well, we learn from our mistakes.
1977 Honda CB400F Super Sport
2016 Herald Classic 250
*1979 Honda CB550K*
*1980 Honda C90*
*1973 Suzuki GT185*
*1968 BSA Bantam Bushman*
*1964 NSU Quickly*

Offline Nurse Julie

  • 1973 CB750 UK K2.1977 CB550/4 Mongrel Brat. 1978 CB400/4.
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Re: Lacquer?
« Reply #5 on: May 15, 2020, 05:21:46 PM »
Oh, poo, what a shame 😢😢😢😢
Im a Nurse, trust me, this won't hurt.....much !!!

LINK TO MY CB400/4 ENGINE STRIP / ASSESSMENT AND REBUILD...NOW COMPLETE
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Offline DaveN

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Re: Lacquer?
« Reply #6 on: May 15, 2020, 06:53:22 PM »
Yeah, but at least I can finish running it in whilst I gird my loins to strip it down again. Tomorrow will be a better day ;-)
1977 Honda CB400F Super Sport
2016 Herald Classic 250
*1979 Honda CB550K*
*1980 Honda C90*
*1973 Suzuki GT185*
*1968 BSA Bantam Bushman*
*1964 NSU Quickly*

Offline MrDavo

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Re: Lacquer?
« Reply #7 on: May 15, 2020, 07:16:36 PM »
That's heartbreaking.

Do it yellow, then you can pretend that it was a deliberate choice.  ;)
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Offline billdn

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Re: Lacquer?
« Reply #8 on: May 15, 2020, 07:30:51 PM »
Hope you don't mind if I tag into this thread but I'm also near to the stage of applying lacquer to a rattle can sprayed tank. For my sins I used a Halfords Dark Blue metallic (I just liked the colour!) and suddenly this query crops up, fortuitous or not I can't say. I've found the 2K and the reviews seem positive but the seller is , thank fully , honest enough to admit that he's not sure if it's compatible with the paint already applied. Has anyone tried the two together, I'd hate to apply and get an adverse reaction as it's taken ages to get this far and another set back will find me reaching for the club hammer!

Online TrickyMicky

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Re: Lacquer?
« Reply #9 on: May 15, 2020, 07:58:15 PM »
I think that I probably need an educational update, but in a previous life, (1978-1985), I worked for a company that was the main  distributor for a very well known vehicle paint manufacturer. At that time 2K paint was only sold to trade users who had the correct equipment for its use, which included masks with a separate air supply line as the hardener had some very nasty consistuents, the vehicle was inside a spray booth/oven. When completed, the shine on the finished paintwork gave the impression that it was still wet, it was a VERY hardwearing finish, and it certainly did not need any lacquer.
    Would dearly love to know what has changed, especially with regard to the health aspect of the spray!

Offline mike the bike

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Re: Lacquer?
« Reply #10 on: May 15, 2020, 08:14:31 PM »
I bought black 2K in a rattle can for my other bike.   It flies out of the can and soon gets used up, should have bought two.  After applying the decals,  I sprayed 2K lacquer over it. I must say its not that smooth, despite me flattening the previous coat and going over it.  It was really smooth and shiny when I first sprayed it but didn't stay that way when it dried.
It's taking ages to harden off but when it finally does harden, I'll flatten it again.  I'm not over impressed with the results so far, we shall see.
I filled the tank very carefully with a funnel.
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Online paul G

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Re: Lacquer?
« Reply #11 on: May 15, 2020, 08:14:50 PM »
As above DO NOT use 2K unless you have a positive air feed face mask or you will regret it.
The only way to test if you will get a reaction between the two is to test it on a small patch.
You should have got some overspray on the bottom of the tank somewhere to try it.
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Offline DaveN

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Re: Lacquer?
« Reply #12 on: May 15, 2020, 10:56:47 PM »
Thanks for the advice Paul. 2K sounds a bit obnoxious.

I have plenty of test area as I painted the underside of the tank as well. Call me old fashioned, but whilst it was off and I had the can in my hand, it didn't occur to me not to  ???

I am minded to write the paint job off anyway, so may well experiment to see if I can sand/cut down the blemishes to the base colour and re-coat with one of the 'Petrol Resistant Lacquers' that are available. That way, I might be able to save the decals which only went on last Monday.
1977 Honda CB400F Super Sport
2016 Herald Classic 250
*1979 Honda CB550K*
*1980 Honda C90*
*1973 Suzuki GT185*
*1968 BSA Bantam Bushman*
*1964 NSU Quickly*

Offline DaveN

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Re: Lacquer?
« Reply #13 on: May 15, 2020, 11:01:54 PM »
Hope you don't mind if I tag into this thread but I'm also near to the stage of applying lacquer to a rattle can sprayed tank. For my sins I used a Halfords Dark Blue metallic (I just liked the colour!) and suddenly this query crops up, fortuitous or not I can't say. I've found the 2K and the reviews seem positive but the seller is , thank fully , honest enough to admit that he's not sure if it's compatible with the paint already applied. Has anyone tried the two together, I'd hate to apply and get an adverse reaction as it's taken ages to get this far and another set back will find me reaching for the club hammer!

Yes Bill, mine was done in Halfords Honda Milano Red, which is a pretty good match for the original Light Ruby version.
I'm guessing that I simply rushed it and only gave the lacquer 48 hours to dry. Apparently, it takes much, much longer to harden off, so maybe it would resist petrol a bit better then.
I'll keep this post updated as I try and rescue it over the next week or so.
1977 Honda CB400F Super Sport
2016 Herald Classic 250
*1979 Honda CB550K*
*1980 Honda C90*
*1973 Suzuki GT185*
*1968 BSA Bantam Bushman*
*1964 NSU Quickly*

Offline taysidedragon

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Re: Lacquer?
« Reply #14 on: May 15, 2020, 11:32:09 PM »
It's worth trying to salvage it. My tank is sprayed with Halfords Honda Milano Red and Petrol Resistant Laquer.
It was at least a week before I put any fuel in it and no problems so far. 👍
Gareth

2010 Street TripleR
1977 CB400F

 

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