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| Paint Systems?; what's what? | |
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| Topic Started: Sep 20 2008, 08:49 PM (1,316 Views) | |
| r0dd13 | Sep 20 2008, 08:49 PM Post #1 |
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I've just acquired a load of different auto-paint from a buddy who has given up spraying in his garage. Most have been opened and some of the tins are marked only with 2k and the relevant colour (handwritten), while others are marked/branded Lechler, most of which seems to be BSB HS Basecoat. I plan on using this paint to experiment with to get the hang of using a spraygun/patterns etc and also thru my ab if poss so no great shakes if it all goes Pete Tong. This raises a cpl of basic newbie q's tho; Generally is 2K mostly just a paint that doesn't require clearing/laquering but requires a hardener as well as appropriate thinners? Can this be used thru a solvent proof ab?(Dunno about putting anything with a hardener thru my ab you see) Is 1K generally basecoat+lacquer system? Anybody know if the Lechler BSB HS Basecoat has to be lacquered (I suspect so) and I also suspect that this could theoretically be put thru my ab (appro thinned of course). Tried to find a product info sheet out from Lechlers site to no avail and most of the labels are covered in paint, so no joy there. I probably wouldn't know how to read them anyway! I'm confused :wacko: |
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| Adyonline | Sep 21 2008, 07:47 AM Post #2 |
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Rodd, I think the main thing you need to worry about is with the 2k and 'Isocyanates'. If you havnt come across these before then to put it simply, they are evil. You will need a proper air fed breathing mask or one of the 'new' special Isocyanate filtered masks (for use if you can spray outside). Yes you can thin down the 2k so that it can be put down an Airbrush, the technical datasheets for Lechler can be found on most online shops that sell the stuff. You dont have to clear a basecoat, but then you wouldnt be able to acheive the high gloss finish you might want. So I would say its down to the finish you want to acheive. I often use white basecoat before going in with autoair fluoresent colours (and then clearing). Cheers, Ady |
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| r0dd13 | Sep 21 2008, 10:53 AM Post #3 |
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I'm aware of the hazards of using anything that contains iso's and have taken suitable precautions in my setup, mainly just needed a little clarification on 2k paint and it's suitability for ma ab, cheers for clearing that up for me Ady  I can go have some fun now 
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| Adyonline | Sep 21 2008, 02:50 PM Post #4 |
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It might also be worth adding that you might not get a good enough level of build to give your work a high gloss if you use an airbrush (unless you spend loads of time putting on coat after coat  ). There is also the danger of a reaction with previous coats of lacqure if you use high levels of thinners - I've had this a couple of times and it completely ruins the work !  
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| Artspray | Sep 21 2008, 08:51 PM Post #5 |
 
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i cant see the point of useing two pack through an airbrush it realy has no practical aplictions for artwork or even grafix unless very large and then you wouldnt be useing an AB thinned down it would loose its gloss but still would not be rewetable ,it builds higher than basecoat so will leave a difficult edge to deal with it has a limited pot life and if left in a warm airbrush which it soon will be if in your hand for more than a couple of minutes it will go off pretty fast giveing you a very limited working time which if you go over will create a very difficult clean up even in a full sized spraygun each layer would have to be left to fully cure before being sanded to accept the next colour or coat if doing multicoloured designes yes it is possible to use but its a lot of headache for very little reward if any compared to useing basecoat my answear in a nutshell WHY BOTHER !and no its not suitable for an airbrush due to the excesive amounts of thiner required which ruines the characteristics of the paint if you have set up to use it which the law requires certain standards of extraction and filtration and a health and safety inspector has passed your set up then by all means have a go but i think it will a very short experimant and a hidding to nowhere remember spraying in a residential area[if you are spraying from home] doesnt just mean keeping yourself safe you have a responsabilty to others like passing children or anyone for for matter so please recheck your conditiones takeing others health into account TWO PACK IS EXTREMLY DANGEROUS AND HIGHLY TOXIC i am turning more and more to waterbased and if i can find a sutable waterbased clear fo my bike work i will be useing that instead of TWO K paul |
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| Artspray | Sep 21 2008, 09:04 PM Post #6 |
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just one more thing the base coat doese not have to be cleared it depens on whether you want a matte of gloss finish however clearing it doese protect it if exposed to the elements haveing read through you post then it clearly shows you have limited knowledge and experiance with automotive paint systems so this leads me to suspect your precuations for useing it may not be up to scratch therefore as an experianced sprayer of some 26 years i would ask you to strongly rethink your intentions regarding the use of POISONS like isocyanate activated paints please dont think im just haveing a go at you im not! this is a very serious health issue please give it some more thought paul |
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| devans | Sep 21 2008, 09:37 PM Post #7 |
DALLAS EVO
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isiocyanates WILL KILL YOU :angry: , it dont just go into your lungs it absorbes through your eyes (the festest way into your system) DONT USE IT MATE just spend £10 on some waterbased ab paint  . Again "NO 2 PACK" Plus if it sets in your airbrush (u aint getting it out)
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| r0dd13 | Sep 22 2008, 01:17 AM Post #8 |
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Thanks everybody for your candid responses, I guess I'll throw in the towel on using 2k thru my ab then. I had thought I coulda experimented with painting racing flashes or similar on some old scooter panels, not exactly artwork I guess, just a bit of ab/masking/prep practice with free paint really. However I still intend on using base + clearcoat when spraying a cpl of my old scooters so a lot of your points are still very valid for me. On that note I've fitted a HUGE industrial extractor (unfiltered) in my workshop and have a new respirator/mask (not air-fed) with appropriate disposable filters (so I've been told form my paint supplier), disposable nitrile gloves and eye protection/shield and believe me I'll not be hanging about after I've laid on the paint. I only have one immediate neighbor and he sprays/refinishes leather suites and such, which smells awful and I doubt he should be doing from his garage-so no problems there I can foresee (which reminds me, have to ask him if any of the products he uses contain any silicon). As for the (larger) environment issue, I can't see me spraying the occasional odd scooter every few months any worse for the environment than chelsea tractors, planes emissions or the new factory that will be emitting all sorts of toxins/poisons through a very large chimney that's due to be built less than a mile from my front door -not that my local Environmental health would agree with my train of thought but I'm not gonna be running down there to tell them what I'm gonna be upto. Didn't mean this to turn into a rant or off topic-sorry guys, just get annoyed with this sort of thing, ie it's ok for large corporations and local authorities to do as they please but the 'little guy' can't do squat. Your warnings and words of wisdom are much appreciated and noted and I will heed them believe me. |
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 Beej
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Sep 22 2008, 07:22 AM Post #9 |
Oi Gaffer
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I guess we'll see this time and time again bro . . it NEVER makes sense to me. Good answers in those posts above tho. It's like that Black Hole machine experiment tho . . I didn't get a letter or note about being at the meeting to give my opinion wether it was OK for some twats in big specs to possibly have my world where I live sucked up into a black hole? It's much easier for the big guys to stop the small guys, you get the pyramid effect then . . and where dya think 'that' phrase comes from? 
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| Artspray | Sep 22 2008, 08:52 AM Post #10 |
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just trying to give sound advice my ex father in law died a few weeks ago in his early sixties ,he sprayed nothing but TWO K and swore it was safer than the synthetics we used to do trade resprays with multiple organ failure etc etc etc his old friend and my old gaffer Dave Murphy who actualy is a tough guy ex bankrobber and one of Birminghams heavy gansters wouldnt go near TWO K i was at his house yesterday picking up a hydrovane compresser he stoped useing a few years ago ,yep he has a heart condition but he was a heavy smoker and drinker but he aint as dead as old Cliff is yep its not nice being controled by our present government but as you may be concerned about a bit of silicon from your neigbour imagine how concerned he would be if you tell him your spraying isocyanates :wacko: we cant go back to the good old bad old days and i think whats happening in our world goes to prove that and yes certain aspects of government control are very very sinister very soon these TWO K products wont be available anyway and that day cant come soon enough IMOpaul |
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7:40 AM May 18