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sand blasting question

3K views 26 replies 11 participants last post by  hskrRT  
#1 ·
well im currently doing some work on my 98 dak, and im tryin to get rid of some rusted areas where the paint has chipped, and what not, but anyways have any of yall used a portable or hand held type sand blasting gun, if so how well do they work? i can get em cheap from habor freight, b/c i only expect to use it to take some rust of the frame and rad. core support before i put the front end back together, so thanks in advance any other ideas are welcome
 
#3 ·
yea ive been thinkin the same thing, but whats the best way of removing the surface rust from all the nooks and crannies<spell check, from the core support and on the frame its near the welds or seems on the top part of the rails...
 
#8 ·
the small gravity fed "speedblasters are good for small areas... but for any amount of blasting you def. want a pressurized one.
but for really light rust...yes a wire wheel on a drill will work fine.
 
#9 ·
well i got a small bottle of rust converter from autoone but i havent been able to apply it yet, but i read a article in dieselpower about stoppin rust using a sem product call rust-mort, great article to read, good info, but yeah i plan on usin a wire wheel on my drill, and then blowing it off with a air hose then use the converter, so yeah hopefully its works like it says, b/c right now i cant afford buyin a sandblaster, so yea, thanks for the replies, guys ill post up what happens
 
#10 ·
I use one of the gravity feed handheld units when I do my powdrcoating. There is no media recovery system, so the shit goes everywhere. Definitely something you want to do outside. Make sure to get an oil/water separator for your air line as well. They aren't meant for large jobs, but for blasting a little rust off the frame should work okay. And do NOT use silica sand. My recommendation is to use the black diamond or black beauty stuff.
 
#12 ·
what parts on the truck? if its a fender or a door, why not take the whole piece off, take it yo a media blaster, and plastic media blast it. then presp it and have it painted..it will look like new after that.
 
#14 ·
ive had to do a shit ton of sandblasting on my mustang. yes its a pain in the ass. yes its very messy. and you better have a respirator and hood on. but it works wonders. completely worth it if you have a pretty good bit of rust to take care of... but what do i know.. im only 18
 
#26 ·
should at least have a respirator mask on and good goggles...you said you only use the gravity fed blaster...they are not that bad ...the monster I have at work (for blasting cement trucks and equipment you need to be KKK for sure...more like total has-mat)


glass is made from silica sand...! all media in dangerous... some not as bad but the rust and paint on the surface being blasted is harmfull.
 
#17 ·
get a wire wheel and some sanding disks for your drill and go to town on it.

cheaper and easier to clean up afterwards.

ESPECIALLY for a few small spots.

if you need to blast sections like rusted our rockers and door jams get someplace with a booth to do it for ya.
 
#22 ·
Uhh, no. If you don't use silica sand, then you don't have to worry about the cancer from breathing in the silica dust. Not all media is created equal. Using glass bead, or walnut shells is not going to kill you from breathing the dust unless you are blasting something that is toxic. And if you are doing that then even ussing a wire wheel is going to be bad for you and how many people do you know where a full hood protective mask when using a wire wheel.
 
#25 ·
its only in a few spots on the rad. core support, and on the frame in front of the a- arms and what not, i just tryin to get it back goin for my daily that why i can let my r/t rest awhile, but yeah since its not gonna be anything special a simple wire brushing and some rust converter should do, but if i had the time and extra dough def. would have it blasted, so thanks for the replies guys preciate it