Do not need to look good, is to paint inside of some holes and cracks in my van that is gaining rust. I dont have acess to it I cant even see the most part. I was thinking to spray zinc in there with one of this straws. What do you think?Not if you want it to look even remotely decent, no.
All right thanks!! I will look on that! But If I dont find other solution the straw do work right? (with the limitations you said of course) but the paint to come out from the straw right? I was afraid the praint to not even pass trought the straw...It will only spray straight out the tube, so will cover very little area. To coat the inside of a cavity you need something like a wax-oyl applicator tube, that sprays in all directions. I made a similar thing for spraying oven cleaner into car EGR systems, but no idea if it'd work with paint.
All right thanks!! I will look on that! But If I dont find other solution the straw do work right? (with the limitations you said of course) but the paint to come out from the straw right? I was afraid the praint to not even pass trought the straw...
Thank you very much!!It'll come out the spraw, but where it goes and how it comes out, in terms of spray pattern, i don't know. I would imagine much like how WD comes out in a wet "jet".
I think i used one of these wands to make my dodgy EGR cleaner. It sprays out sideways in all directions. However, due to the bore of the tube and the size of the nozzle openings it may not give a suitable fine mist.
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I guess you need to experiment a bit with a few options. Flexible WD40 tube might work?
Cool, but I can see there is bare metal there so I wanted to paint with zinc spray first. (I already start with the zinc there but i could not reaxch it all... Can I put the zinc spray inside this bootle somehow!?Sounds like you need cavity wax. Try Bilt Hambler dynax s50. It comes with a long straw that spaffs the wax in a 360 spray pattern.
what troubles it can cause? Just courious...unless youre spraying onto properly prepped surface the paint /primer will most likley peel up or flake off in no time, then cause more troubles
cavity wax is the product you need , its sticky and creeps into small gaps , and often comes with a 360deg nozzle
thank you!It coats over the rust, but doesn't stop moisture and oxygen reaching the steel.
So, it looks good, but secretly it's rotting away.
The wax is better, because the right product soaks into the rust and prevents moisture from getting into the steel.