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2009-03-02, 11:11am
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Senior Member
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Join Date: Jul 25, 2006
Location: ohio
Posts: 657
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Just an fyi on the "canned air" (I'm a former aerosol chemist)
It's not canned air or Nitrogen, but is usually a blend of either 134a (the stuff now used in air conditioners) or 152a and DME (dimethyl ether). I mention this because unless it's 100% 134a, the vapors can accumulate since they are heavier than air and be flammable, even if it only says "contents under pressure" on the can, due to the labeling rules.
When dme burns, the flame is invisible, so just don't do this next to your water heater!
If the valve on the aeorosl can is the same as the valve on the dusters, you could use those cans as well.
Mary
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2009-03-02, 11:59am
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I speak Murrini!
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Join Date: Oct 12, 2006
Location: In a Glass House, CA
Posts: 9,170
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Quote:
Originally Posted by glass addict
Just an fyi on the "canned air" (I'm a former aerosol chemist)
It's not canned air or Nitrogen, but is usually a blend of either 134a (the stuff now used in air conditioners) or 152a and DME (dimethyl ether). I mention this because unless it's 100% 134a, the vapors can accumulate since they are heavier than air and be flammable, even if it only says "contents under pressure" on the can, due to the labeling rules.
When dme burns, the flame is invisible, so just don't do this next to your water heater!
If the valve on the aeorosl can is the same as the valve on the dusters, you could use those cans as well.
Mary
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Hey Mary~~~
Interesting! I think it's always good to remind people to be cautious and safe!
FYI - Here is the spec direct from Armour on the product Moth used...it does say "Non-flammable" in the description, but it does not specify what the chem make up of the product is. In addition, depending on how "leak proof" your cabinet may or may not be, it's prolly not a horrible idea to use one of those cheap "dust masks" you can get at Home Depot just to be safe, too!
Here's the Armour link:
http://www.armourproducts.com/item--...--70-9001.html
De
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2009-03-02, 1:32pm
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Mary Lockwood
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Join Date: Jun 21, 2005
Location: Boonies
Posts: 5,831
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Yes, definitely wear a mask!!! I would wear a mask even if I couldn't detect anything coming from the cabinet. I don't trust this sandblasting business. I'm already having trouble with my lungs I don't need to complicate it by taking unnecessary risks.
Nothing is worth ruining your only set of lungs...wear a good mask.
Oh, and about the propellant...here is the information from the back of the can:
Contents: 1,1,1,2 Tetrafluoroethane (CAS 811-97-2)
Contents under pressure. Do not puncture or incinerate container. Exposure to heat or prolonged exposure to sun may cause bursting. Do not expose to heat or store at temperature above 120 degrees F. Vapor reduces oxygen available for breathing. May cause eye and skin irritation. Direct exposure may cause frost bite effect on eyes and skin.
Use with adequate ventilation. Do not breathe vapors. Ensure fresh air entry during use. Avoid contact with eyes, skin and clothing. Wash hands thoroughly after handling.
It also says somewhere in the instructions not to spray the can while it is upside down because the liquid that shoots out can freeze your skin on contact.
Hope that helps!
~~Mary
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2009-03-02, 2:09pm
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Sucks at being nice
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Join Date: Aug 18, 2006
Location: Black Forest, CO
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Quote:
Originally Posted by Moth
It also says somewhere in the instructions not to spray the can while it is upside down because the liquid that shoots out can freeze your skin on contact.
Hope that helps!
~~Mary
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Isn't that how they get rid of warts these days? That could be redneck doctoring at it's finest! Who wants to be the first to try?
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2009-03-02, 3:02pm
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I speak Murrini!
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Join Date: Oct 12, 2006
Location: In a Glass House, CA
Posts: 9,170
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Quote:
Originally Posted by jeepinwelch
Isn't that how they get rid of warts these days? That could be redneck doctoring at it's finest! Who wants to be the first to try?
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After you, my dear!
De
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I've got a murrini for that,'ya know!
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2009-03-02, 3:04pm
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Sucks at being nice
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Join Date: Aug 18, 2006
Location: Black Forest, CO
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Quote:
Originally Posted by theglasszone
After you, my dear!
De
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Darn, I don't have any warts to try it on.
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2009-03-02, 5:17pm
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"Maybe it's a tumor"
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Location: East Tennessee
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Mary
How creative. It makes the perfect branch for your lovely bird.
Carol
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Carol
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2009-03-03, 9:18pm
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Location: Alberta Canada
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Mary, amazingly creative! I think that you should mass manufacture those! But i must say that i think the name should be the Beverly Hillbillies Blasting Box. Oh, and don't forget duct tape comes in all sorts of colors, so you could charge more for custom color combos! Shit, people could order them to match their Crickets!!!
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Joanne
Purple Sparkle Cricket w/ EX-15 8lpm Oxycon and tanked propane
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[size="3"]Remember, today is the tomorrow you worried about yesterday. - Dale Carnegie
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2009-03-03, 10:31pm
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Senior Member
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The 1,1,1,2-tetraflouroethane is also known as 134a and is nonflammable, so that's good news! (152a is less expensive, but more flammable, and is often used in aerosol products as a less expensive replacement, often in combination with dimethyl ether)
As for the warts.... the liquid has a very low boiling point, so it probably would freeze off a wart.
Sorry for all the chem-speak!
Mary
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2009-03-04, 8:11am
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Mary Lockwood
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Join Date: Jun 21, 2005
Location: Boonies
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Mary, no need to apologize for the chem-speak. Knowledge is power!
Glad this is useful. There is a photo of a similar box setup inside the pamphlet that comes with the etching kit, but it doesn't have the fancy sock sleeves. LOL
~~Mary
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2009-03-05, 7:40pm
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yes, llamas...and ducks
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Location: Langley, BC, Canada, North America, Northern Hemisphere, Earth.
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Quote:
Originally Posted by PerfectDeb
McGyver's got nothing on you!
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Hahahaha!! Here, here!
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Flaming on a Minor with concentrator.
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2009-03-05, 8:48pm
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Formerly FishBulb
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That's very ingenious! You should pat yourself on the back for this one. It looks just excellent!
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In Soviet Russia, Google searches you.
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2009-03-24, 12:54pm
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Floral Obsessed
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Join Date: Oct 17, 2005
Location: Winnipeg, Canada
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Very cool and ingenious test-run. I hope you can get it connected to the compressor! The air canisters do sound uneconomical, but the little grit-holder seems perfect for occasional small-scale blasting. I think you can get a lot of use out of your blasting box - maybe add another window for better light?
I love how your display branch turned out and your little robin is perfect!!!
You are cool. Cheers - Heather
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Nov. 2003-Nov 2005 --> QuietTorch, 1lb MAPP ::
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2009-03-24, 2:32pm
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Way cool. That would be perfect to display mu humming bird beads. How cool is that. I was using a branch for that. Thanks . As always Lovies Mary
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