PINTO CAR CLUB of AMERICA
Welcome to FordPinto.com, The home of the PCCA => General Help- Ask the Experts... => Topic started by: russosborne on November 10, 2014, 09:27:27 PM
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For removing rust/paint is sand or glass bead better?
I mistakenly bought 80 grit glass bead and tried it out today. It works, but I was hoping it would go faster. Would 80 grit sand be faster? I know that is the grit that Tractor Supply carries for both. Or do I need to find like 40 grit?
I am using a cheap HF hopper type blast kit($35), which I know isn't the best, but it is what I have to deal with.
Thanks,
Russ
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Gotta be careful with sand on panels, it can get hot and warp the sheet metal, also have to make sure no moisture is in the air or sand gets wet and won't work, I had one of those cheapo HB deals it worked good, no problems until moisture got in then it was all over..
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Soda blasting. For car restoration, I use nothing else.
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Soda blasting. For car restoration.
DITTO....
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Thanks.
I suppose I forgot to mention I am talking about leaf springs, so warpage is not an issue.
Russ
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Sand will work fine for that, just keep the moisture out..
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If you use a gravity feed unit, there can be an issue a lot of people overlook. There is usually supposed to be an elbow at the bottom of the media hopper, and it is supposed to have a hole in it. If the piece is not there, or the hole clogged, it may limp along pushing out a small amounts of media, but not near enough. Not all have them, but most.
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Good to know..
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I built my own bigger fully enclosed box from a $125 special....... ...I installed a second smaller pressure line that ends right at the entry point for media into the gun supply hose, it has a small valve to be able to cut completely off or just a small amount of air to move the sand or whatever around, when moving it feeds far more constantly than just by gravity trying to fill a hole under the surface of the media. Same idea as the hole mentioned, or a vent to stir up slightly to keep media loose and moving right at the hose entrance. Media weight can make the media start and stop irregularly as it tries to clump up from particle friction even if dry.