does urethane dues cause cancer?
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Replies to This Discussion
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Premium MemberPermalink Reply by tommy on -
edit : every thing causes cancer now
yeah i had heard that at school ..he should wear a mask anyway ?
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Permalink Reply by Bozac on
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i wouldn't lathe anything without a respirator on to begin with, but I am sure bugs answered this in a post ages back but I can't find it
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Permalink Reply by Joe Campbell on
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yer apparently everything is a "carcinogenic" these days if your exposed to the right amount of it :P hahah
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Premium MemberPermalink Reply by Matthys on -
dude, urethane dust is UBEr Highly carcinogenic...
like big time...
stay away unless you have a decent respirator
dont want that crap in ya lungs
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Permalink Reply by Billy Bott on
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how is this stupid?! its a legit thread..i looked in the search bar and nothing came up. if you dont want to contribute anything positive, then dont comment at all
Tim Day said:
Yet another freakin stupid asra thread
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ASRA AdminPermalink Reply by bernie on -
Urethane: http://en.wikipedia.org/wiki/Ethyl_carbamate and yes Urethane dust is very dangerous.
It was used as a human medicine until 1943, and by vets until recently.
Skateboard wheels are made of Polyurethane
see http://en.wikipedia.org/wiki/Polyurethane
"Polyurethanes are applied to the manufacture of flexible, high-resilience foam seating; rigid foam insulation panels; microcellular foam seals and gaskets; durable elastomeric wheels and tires; automotive suspension bushings; electrical potting compounds; high performance adhesives; surface coatings and surface sealants; synthetic fibers (e.g. Spandex); carpet underlay; and hard-plastic parts (i.e. for electronic instruments). Moreover, polyurethane products often are inaccurately called “urethanes”, but must not be confused with urethane proper (ethyl carbamate), because polyurethanes neither contain nor are produced from ethyl carbamate."
Polyurethane is everywhere!
Biggest risk from Polyurethane would have to be at the chemical plant during its manufacture, before it is cured, and that is usually done in controlled facilities.
See http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1035481/pdf/brjindmed00...
use a simple face mask if you are worried about the dust of cured polyurethane.
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Premium MemberPermalink Reply by Phil Bartlett on -
from what I have read, proper urethane is very carcinogenic, and the polyurethane in skate wheels is not as bad. but for that matter, any dust / particulate matter that you breathe in is carcinogenic.
after recent chats with my boss I can not forsee myself taking lathing of wheels up again, so here are some tips.
due to the unsupported shape of a wheel, and the resilient nature of the thanes, the most effective way that I found to machine wheels down was to actually use emery to cut it.
I would wrap a piece of 40Grit emery around a piece of keysteel, with the key steel bolted into the lathes toolpost just use it like a regular lathe tool.
spindle speed any where between 1000 and 1200 RPM
the real key is how you mount the wheels on the lathe, if you dont mount them correctly you will never end up with a wheel that doesnt vibrate the shit out of your board.
I mounted my wheels on a mandrel that had a shoulder turned to the same size as a bearing, to me this is the most logical surface of the wheel to secure it against.
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if you pay me 20 bucks
Connor Ferguson said:
yo billy you want to lathe my grippins?
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Premium MemberPermalink Reply by tommy on -
elliot sheilds does for 10 ?
Billy Bott said:
if you pay me 20 bucks
Connor Ferguson said:
yo billy you want to lathe my grippins?
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