Unitec Speed Blaster vs. Lematec Portable Blaster - Hot Rod Forum : Hotrodders Bulletin Board
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Old 11-09-2017, 10:58 AM
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Unitec Speed Blaster vs. Lematec Portable Blaster

I'd like to get a mini blaster that I can use outdoors on small-medium size rusted parts like bumper brackets, as well as spot blasting on a frame. Do any of you have experience with the Speed Blaster or Lematec?

Also, I read an old post on this forum about using $5/bag fine sand instead of more expensive blasting media. Comments?

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Old 11-09-2017, 11:37 AM
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Using cheep sand like silica sand to sand blast releases crystalline silica dust into the air and it can be inhaled by children, pets, or any living thing down wind from it!! it causes Silicosis and can lead to death !! The body can not rid itself of the crystalline silica and it will continue to destroy the lungs even if the exposure is small! the dust can be so small it can't be seen by naked eye and can travel for miles in the wind Ive seen friends using cheep sand in their yards to sand blast with their children playing close by and I would tell them about the danger and they would scoffingly laugh and say I'm being silly and ridicule my warning but its no laughing matter especially when months or years later your child cant breath and the doctors can't find the problem because you didn't know it was the microscopic sand molecules your child inhaled in the past that is continually destroying their lungs Even when you sweep up your mess when your finished working the dust can become air born and dangerous!!! I have even seen people put that sand in a childrens sand box

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Last edited by painted jester; 11-09-2017 at 11:44 AM.
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Old 11-09-2017, 11:58 AM
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I use one of these:

https://www.harborfreight.com/portab...kit-37025.html

the play sand from the lumberyard is not graded and has larger pieces in it that clogs your machine..That is what I found..

Sam
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I have tried most all of it and now do what is known to work..
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Old 11-09-2017, 05:37 PM
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I highly recommend "Black Diamond" https://www.ruralking.com/medium-bla...SABEgLs__D_BwE media it works better, it isn't full of crystalline silica.

I have to imagine that those two sand blasters would be damn similar. I have a Speedblaster with one of these adapters http://www.tptools.com/Speed-Blaster...-Kit,7206.html
I highly recommend the adapter, that sucker ROCKS! You could sand blast the dash in a car without taking the interior out, it's amazing.


Brian
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Old 11-09-2017, 06:18 PM
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I am really pleased with my speed blaster. The ceramic tip is really holding up also. Like Brian, I highly recommend it.

John
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Old 11-09-2017, 09:54 PM
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I also recommend "Black Diamond"

Jester
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Old 11-10-2017, 09:28 AM
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Just the advice I needed. I'll order a Speed Blaster, and my local Tractor Supply company has the Black Diamond medium abrasive in stock.

Thanks.
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Old 03-12-2018, 12:18 PM
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To follow up, I bought the Speed Blaster and a bag of Black Diamond. Man, I totally underestimated the velocity off that stuff bouncing back at me! Definitely need to get a blast hood, and wear nothing but long sleeves, long pants, and boots!
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Old 03-12-2018, 12:46 PM
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If you get this, you don't have that problem. We are talking about only doing small stuff or very slow work but it's pretty damn cool at capturing all the blasting material.

Speed Blaster & "Hot Spot" Spot Blaster Kit - TP Tools & Equipment

Brian
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Old 03-12-2018, 01:27 PM
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i have an old welding helmet with clear shield only, that i use for blasting
with a material shroud duct taped to keep sand off my hair and neck
a little rube goldberg looking but it works :
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Old 03-23-2018, 07:55 AM
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my speed blaster is a joke. I'd like mine to simply clean out the bottom layer for a plug weld and of course around the hole on top. My buddy's HF mini blaster works much better for that. I got the black diamond medium grit. I'm trying to find something wrong with it and can't believe how much better The HF one is.
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