Spraying Automotive Clear?
65 replies to this topic
Posted 16 July 2011 - 04:57 PM
What kind of auto clear do you use and what is the mix ratio.?????? Does it make a difference if your airbrush has teflon packing...seems to me that teflon would be better.....You said you use a size 3 tip......have you ever used a number 5.......I'm just wondering if the larger tip would be better......Thanks for your help.....take care
Posted 16 July 2011 - 06:02 PM
I'm using Dupont Select Clear 2K 498-00 and the mid-temp activator. They make different activators to be used at different temperature ranges. It is mixed at a 4 to 1 ratio. (4 parts resin to 1 part activator)
I think that most quality airbrushes that are manufactured these days have teflon packing so you probably don't need to worry about that. But to answer your question, yes, teflon is better than a rubber o-ring as it's more resistant to harsh chemicals.
As far as nozzle size don't get a Paasche #3 nozzle confused with a .3 millimeter nozzle. Paasche has their own way of sizing nozzles and I'm not exactly sure how they size them, but a #3 nozzle is fairly large in comparison to a .3mm nozzle. I'm usually only clearing a couple baits at a time and a #3 nozzle in the Paasche VL is quite adequate in my opinion. Using a #5 nozzle would create quite a bit more overspray and you would just be wasting product and I don't see that you would save much, if any, time when spraying a few baits. Again that's just my opinion. If I were building baits for sale and spraying hundreds of them at a time I would probably go with one of the HVLP mini-guns that have been discussed earlier in this thread.
hope this answers your questions,
Posted 16 July 2011 - 10:20 PM
I picked up a mini hvlp touch-up gun Today. I will give it a try in the next few days and let yall know how it works out. Do you think the lacqer thinner will affect the plastic paint holder?
I use the Dupont Chromaclear 4:1 mix ratio.
Posted 17 July 2011 - 01:26 PM
The link page says this product is a laquer. The other products mentioned as 2 part are likely urethane products.
So results( finish and durability) will vary with application and use. Its up to the user to decide. Everyone will have opinions and likely will be all over the place. Some will have cost and availability concerns and others won't. If you just build a few baits for yourself and friends one might make the most sense to you. If you are in more of a production mode then another finish. In other words its really up to you and what you're willing to try. Kind of like buying a pickup truck. All kinds and all sizes. Pick the one thats best for you.
Posted 17 July 2011 - 03:31 PM
Thought you might want to know about the Paasche VL sizes.......
# 1......is .55mm
# 3......is .73mm
# 5......is 1.06
Are you using the bottles or the cup on your Paasche??? And are you thinning the clear coat are shooting it straight......I have a Iwata Revolution CR and Iwata HI LINE CH.....Think i will try using the CR......Do you think the auto clear is better than Dick Nite and D2T.......Spraying auto clear seems to be easier than using the others......
Posted 17 July 2011 - 04:06 PM
Thanks for the info on the Paasche nozzle sizes.
I'm not thinning the auto clear. It's pretty thin as it is. Way thinner than DN and other top coats I've used and it sprays just fine without thinning. There may be advantages to thinning the auto clear, or certain conditions when it would help to thin it, but if there are I'm not aware of them. Like I've said before, this is my first time spraying it and I've only been using it for a couple weeks.
I can't really say one is better than the other. Like EdL said in the post above you've got to figure out what's best for you. "Best" is a relative word and it always has a tendency to make me laugh when someone posts a question asking what is the "best" clear coat, paint, treble hook, etc. What is best for one person isn't even on the radar screen for someone else. I've used quite a few different clear coats in my short time building and painting lures, and every one of them has their good points and bad points. DN is a great clear coat that is both hard and durable, but the storage issues can be a pain in the butt. D2T gives a good, hard finish, but it pulls away from sharp corners and leaves thin spots. Etex is another good top coat that is clear and durable, but it takes an extended period of time to cure. The auto clear is gin clear and plenty hard enough to resist scratches and hook rash, but the vapors can lead to severe respiratory problems if proper safety precautions aren't used. Do you see where I'm going with this? Like I said I've been doing this for two years and I'm still trying new things. If there was only one "best" then we would all be using the same thing to build baits and it would get pretty boring around here.
Posted 17 July 2011 - 05:26 PM
I understand what your saying......Just trying to save some time and money.......Thanks for all your help and i'm sure you have also helped others.....You might have only been doing this 2 years...but that's 2 years more than i have......thanks again for everything...
Posted 17 July 2011 - 07:50 PM
You might want to try the auto clear if you don't mind getting set up properly to use it. First thing you'll need is an organic vapor respirator. Got mine at Lowe's. And keep in mind that you'll need to spray it where there is plenty of fresh air. I like the finish you get with it. It's slick to the touch which translates to lower drag in the water. It's as clear a finish as your going to get. And it cures to a hard shell which should cut down on hook rash. I haven't fished any of the baits I've sprayed with it yet, so I can't honestly tell you how it's going to hold up, but I have a feeling it will do just fine. It's not quite as expensive as some of the other clear coats and it's available locally so no shipping costs. The stuff I'm using was only about $36 a quart at O'Reilly's Auto Supply. There are other auto clears that are way more expensive and no doubt much better than the one I'm using, but I think this one will be just fine.
Posted 18 July 2011 - 05:01 AM
I assume after spraying you just hang the lure up? No need for a carosel?
Posted 18 July 2011 - 06:22 AM
I just hang up to dry, seven minutes between coats on the clear I am using.
Posted 18 July 2011 - 09:31 AM
I've been doing some experimenting with this. I am in no way saying this is the way to do it, but I've been using a heat gun to flash off some of the solvents. Not enough to try and cure the coating, but trying to apply just enough heat to flash off some of the solvents and make it thicken up. This allows me to spray the successive coats without waiting between applications. And when I finish the baits are hung up to do the final curing. I have no idea if this is having an effect on the hardness or durability of the finished product as I haven't had a chance to test any of the baits I've done this way under real fishing conditions, but the coatings have been curing clear and hard.
Posted 21 July 2011 - 12:06 PM
Where are you guys spraying this stuff? I havent bit the bullet yet to do this bc Im limited on where I can spray. I was thinking the garage with fans but im reluctant because there is a door to my house in the garage and im fearful fumes may leak in. Anyone just spraying outdoors unsheltered?
Posted 21 July 2011 - 03:15 PM
I'm spraying outside. I'm only building and spraying a couple baits a week at most though. If I were building them for sale and spraying a large number of baits at a time this wouldn't be practical. If your mass producing lures for sale then you'd need a place dedicated for spraying. The afternoon sun shines directly on the side of the house my deck is on and as hot as it's been this summer I just hang them up on the deck after spraying and they're dry to the touch in about an hour.
Posted 21 July 2011 - 06:47 PM
Do you wear any kind of eye protection....i know you said you wear a respirator....in your pic you are wearing a beard......The guy at the paint store told me my beard had to go....even if i do wear it short........I've been wearing it for 15 years...its kinda a part of me.....Guess it has to go if i'm going to spray auto clear......Oh when you spray with the paasche do you spray with the bottle are the cup.....thanks for the help....take care
Posted 21 July 2011 - 09:29 PM
I've reached the age where wearing glasses is a necessity. I've been using the metal cup when spraying with the Paasche. And yes, I've still got my beard. I started shaving when I was 14 and swore that when I graduated high school I wasn't going to shave anymore and I'm now 57 so I've had my beard for a while. I know I'm taking a risk, but by spraying outside with a breeze at my back I feel that risk is negligible. It's not something I'd suggest anyone else do, but it is my decision and I've made that decision knowing the dangers. And if I start smelling any fumes inside the respirator I'll rethink what I'm doing. Now don't think that just because I'm doing it that you'll try to get away with it. You already know what the proper way of doing things are. If you choose to do something else it's all on you bud.
Posted 24 July 2011 - 02:28 PM
In the for whats its worth dept, here are my thoughts......Shooting automotive clear is no big deal as long as you'll provide a little ventilation.....Just a box fan sitting in the window with you spraying near it is usually more then enough exhaust to deal with the small amounts of overspray you get when using an airbrush......Of course you should wear a good resperator rated for organic vapors just to be safe, but do you need a separate building from your home to shoot clear in....NO.....Do you need to wear a "shoot suit" and cover all exposed areas of your skin and goggles to protect your eyes?....NO....I don't think so....not for the small amounts were dealing with when clearing lures....unless your shooting alot of clear with a mini or full sized gun and then you'll want to take better precautions.....But do you need to be clean shaven to shoot some auto clear on your lures.....NO, I don't think so.
I mean lets be real.....If your were gonna start a body and paint shop in your family garage and be painting full sized vehicles, then of course disregard everything I just said, and get yourself a paintbooth and all the safety gear, and don't think about exposing your family to the fumes by painting cars in the attached garage.....Otherwise take a few minor precautions and use some common sense, and some decent ventilation, and you guys will be fine spraying a little auto clear now and then thru your airbrush.
Disclaimer:.......If your an idiot, then none of this applies to you, and you should seek out a professional that can paint and clearcoat your lures for you.....There are several on this website so feel free to seek them out and use their services!
Posted 30 July 2011 - 11:09 PM
I wonder what's more toxic, applying epoxy with a brush or spraying an auto clear? lol.
I know a guy that has sprayed auto clear for years and he looks like walking death!
Posted 31 July 2011 - 09:27 PM
The mini hvlp touch-up gun works great with the automotive clear. Works great on the tags and can be turned down for the baits. I sprayed my first reel Today with it and it worked great for that also. How many coats, using automotive clear, should be put on a reel? I sprayed 3 coats on the one Today, but that was just experimenting. Thanks for all of the advice!!
I will give that a try between flash times the next time I use it. How many coats are the best used on baits?
Posted 31 July 2011 - 11:31 PM
I can't really tell you what the optimum number of coats would be as spraying auto clear is new to me as well. I only mix up 1 1/4 tablespoons at a time. (one tablespoon of resin and 1/4 tablespoon of activator) This is enough to allow me to put between six and eight coats on two bass size lures. (2 1/2 to 3 inches long) I also spray what I call two "coats" at a time. I spray the bait while turning it in my hand and make two revolutions of the bait while spraying. I might also mention that I'm spraying with an airbrush and this might not be possible with the mini HVLP gun as it has a much larger tip size and sprays a much larger volume than what I'm spraying with the airbrush.
So far the baits seem to be holding up pretty well. Since I don't build baits for sale I don't worry about time or materials as much as someone who builds them for sale and is trying to get every pennies worth out of his operation. I know this doesn't give you a specific answer, but as of right now it's the best I can do. Keep us posted on what works best for you.
Edited by RayburnGuy, 31 July 2011 - 11:37 PM.