Thanks
Rob
I dont know what sort of backward country you come from, surely you have
national or international standards for protective clothing such as
EN531 or EN470.
There are dozens of companies selling molten metal resistant gear for
foundry or similar use.
For metal splash I tend to wear woollen type protective clothing designed to
char and release metal or slag splash.
For radiant heat resistance metallised clothing tends to be used, and
metallised face visors.
For foot wear woollen socks and foundry boots are often satisfactory, clogs
can be of use for some jobs.
Go to http://www.mcmaster.com/ and search for heat resistant clothing.
McMaster-Carr has everything!
Cheers
Joe
"Robert" <mrsind...@aol.com> wrote in message
news:296c2c3b.03031...@posting.google.com...
>national or international standards for protective clothing such as
>EN531 or EN470.
I've had this same problem. The standards you quote are for how to
manufacture clothing. What I'm looking for (and I suspect the
original poster too) are recommendations for good practice on how much
to wear in particular circumstances.
For welding and plasma/gas cutting work, I have a choice of a cotton
warehouse coat, a chrome leather jacket, or a reflective silver
firefighter's suit (inc helmet). Now what should I wear ? What
about aluminium casting ? What's the point at which I ought to switch
from the leather (which is good against weld splash) to the silver,
which is better against radiation but not especially good against
contact.
As it is, I'm making this stuff up as I go along.
Andy Dingley wrote:
Use industry practice.
Go to Thomas Register www.thomasregister.com (?)
Find a few casting companies in the metallurgies of interest.
Call them up. Explain your concern. Talk to them about what they wear as
safety gear. Ask them also if they know of a "standards" organization that
sets standards.
Thank them. Ask them for anyone else to call.
Jim Buch
In my iron operation we use the following gear:
Plasma cutting- cotton duck jacket, leather welders gloves and a
self-darkening helmet
Melting- same type of cotton duck jackets, but in long length. Spats over
metatarsal boots. Aluminized gauntlet gloves. Shade 3 face shield.
Pouring- short cotton duck jackets, spats and shade 3 safety glasses.
I'm not a big believer in aluminized jackets, the people tend to overheat
quickly. The cotton provides good protection against splash. Keep in mind
we're using relatively small furnaces.when you get into large masses (>5
tons) of molten metal, the radiant protection factor of aluminized gear
provides a better advantage.
Hope this helps,
Mike Malone
>Plasma cutting- cotton duck jacket, leather welders gloves and a
>self-darkening helmet
Thanks Mike,
Surprised to see a helmet there. I use either gas-welding goggles (a
#6 shade ?) or the even lighter wrap-around shades supplied by
Hypertherm. These are good for line following, but I do get a little
arc-eye from them. For hacking work, I use the gas goggles. I've
never felt the need for something as dark as a helmet though.
If it's going to be sparky, I do wear a balaclava though.
If you are not a member of a body that can give you advice and you want to
buy protective clothing, go to a manufacturer or supplier of protective
clothing and ask them what they sell for the activity you want to do. Try
on the gear they suggest and see if it is suitable for wearing in the
environment you want to use it. If you want to, try some destructive tests.
If you are an amateur caster in a reasonably common metal they should be
able to supply something suitable. When to switch from one type of clothing
to another is a matter of assessing risk. If you look at what clothes were
made for, and use them as such you should be as well protected as possible.
If you want to take more risk just wear thick wollen clothing and accept a
greater risk, and being hotter. I was in a Dutch iron foundry a couple of
years ago and they were yust wearing normal leather shoes and woollen suit
jackets while making additions to the ladle. I would personally not dream of
wearing such clothes for this job.
The usual problem I have, is with clothing being too restrictive for
movement, but other people have more of a problem with overheating.
As I said previously my preference is for the fairly thick woollen type
splash protective clothing although thinner cotton type clothing is
available.
The only other comment I would add is that I would advise being careful
what you wear under protective clothing designed to resist metal splash. I
always wear cotton not synthetics to avoid these melting during an incident.
I use fairly standard foundry boots with Velcro tops, over wollen socks.
I do not use as much reflective clothing, but a variety of types is
available, for heat reflection what is required depends on how you work, as
with heat reflection a lot depends on how long you are exposed.