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Unread 07-24-2009, 12:03 PM   #1
KittyCanuck
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What Kind of Respirator for Polyester Resin?

Everyone says you need to get a respirator for working with Polyester Resin (eg the "Castin' Craft 'Liquid Plastic' Clear Polyester Resin"), but I'm not sure what kind to get. My local Home Depot only had a few (not counting the cheap "dust mask" kind) and they said things like "Paint and Pesticide" or "Asbestos and Lead" or "Spray Paint". I didn't see one that mentioned resin. They all run about $45-$55.

Which type should I be looking for, and where could I get one if not the local hardware store?
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Unread 07-24-2009, 02:22 PM   #2
WARPAINTandUnicorns
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I'm curious about this too since you can get Polyester Resin in larger quantity's then Castin' Craft Epoxy Resin I've been using.

I've had better luck with the Epoxy Resin since the fumes are low order and easier to to find a place to cast it. (bathroom with the fan on lol)
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Unread 07-24-2009, 02:38 PM   #3
Zabuz
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You shall not speak of what you do not know of.

I do sometimes anyways, and leave it at that, but now, I feel like deleting what I said : D

Sad that you can't actually DELETE the post (wtf is up with that cosp.com?).




"Particle filter SR 510 P3 R is a mechanical filter that provides protection against all types of particles (dust, fume, fog, spray, asbestos), even bacteria, viruses and radioactive pollution."

Filter: http://www.core-industrial.com/manag...%20(Small).jpg

Mask: http://www.core-industrial.com/manage/gallery/SR
100%20(Small).jpg
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Last edited by Zabuz : 07-25-2009 at 12:53 PM.
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Unread 07-24-2009, 06:22 PM   #4
Ovan
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I would think the cheap mask are fine as long they are code for fiberglass due to that Polyester Resin is use alot in that work of fiberglass. The thing is doesn't matter how good your mask is you going need good ventilation room so the fume won't get to your lungs. Also remember these cheap mask are pretty much like 1-2 time use then throw them away for a new one.

Here the mask I was talking about
http://www.lowes.com/lowes/lkn?actio...1-2&lpage=none
http://www.lowes.com/lowes/lkn?actio...esc&lpage=none
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Unread 07-24-2009, 06:26 PM   #5
KittyCanuck
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Quote:
Originally Posted by Ovan View Post
I would think the cheap mask are fine as long they are code for fiberglass due to that Polyester Resin is use alot in that work of fiberglass. The thing is doesn't matter how good your mask is you going need good ventilation room so the fume won't get to your lungs. Also remember these cheap mask are pretty much like 1-2 time use then throw them away for a new one.

Here the mask I was talking about
http://www.lowes.com/lowes/lkn?actio...1-2&lpage=none
http://www.lowes.com/lowes/lkn?actio...esc&lpage=none
Those cheap masks are generally only rated for particles, not fumes/vapours. They are basically just to prevent you from getting sawdust or fibreglass particles into your lungs, but they don't do a thing for fumes or chemicals.

Ventilation is important, but even in a well-ventilated room you should still wear a mask rated since the fumes can't usually dissipate enough with just ventilation alone.
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Unread 07-24-2009, 09:04 PM   #6
Matsuo
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http://halocostuming.wikia.com/wiki/Safety

Read it... all of it!

Basic answer, yes you need a Respirator with cartridges NOT A DUST MASK. One that is rated for Volitile organic compounts (VOC's) .
Check the package and see that the respirator is rated for Fumes and organic vapors, or paint and pesticides.

Do not attempt to mix resin while wearing a paper or cloth dust mask or a bandanna and think you are safe. Polyester resin is nasty stuff and will kill many usefull brain cells...Brain cells that might just come in handy later in life.

M

Last edited by Matsuo : 07-24-2009 at 09:06 PM. Reason: syntax
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Unread 07-24-2009, 09:44 PM   #7
Ovan
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Well I'm wrong about the type of mask you need KittyCanuck unless you feel that you got to many brain cells. j/k Yea I should read up on the stuff more before tell them what they be ok with.

BTW KittyCanuck have you try to look at wal-mart for the vapour and dust mask I know they use to carry those mask I believe at one time in paint they might be cheaper than lowes or home depot. I know Lowes and Home depot there have there mask for $30.00 that not bad compare when my dad brought his was $70.00 for the same looking mask 6 years ago.http://www.homedepot.com/webapp/wcs/...ctId=100195886
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Unread 07-24-2009, 10:04 PM   #8
Sirblood
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Yeah, if you value your lungs and don't want to risk cancer later in life, use the proper resperator.

Goto your local hardware store, Menards for most people. Goto their painting department and pick up their 3m resperator that has organic filters. They run 30-40$. They say the filters are good for 30 days after opening, they are good so long as you can't breath or taste the resin.

While you are at it, pick up a pair of goggles that completely cover your eyes because when you are working with resin, if ANY get into your eyes its not good!!!!!!!!

A few of 405th members decided to cut corners on that (the goggles) and you are playing with fire so to speak. 2 different members have talked about the hours of time spent in the EMERGENCY ROOM because of their careless ness.

Anytime you are working with resin you will want gloves as well as clothing you don't care if you ruin. Trust me, no matter what, use clothes you don't care if you ruin.

The kind of resin you are using doesn't matter, they are all very similar. Here's the 405th's safety guide to follow!
http://405th.com/forums/index.php?showtopic=8604
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Last edited by Sirblood : 07-24-2009 at 10:08 PM.
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Unread 07-24-2009, 10:59 PM   #9
Zabuz
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so... my filter is enough for me...? ..'
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Unread 07-25-2009, 12:07 AM   #10
Sirblood
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if its rated for industrial insecticide you should be fine.

Rule of thumb:

put on the mask, open the resin container and hold it up to the mask's filter. After about 30 seconds if you can't smell ANY of the resin you should be ok. When you remove the mask its normal to smell a little of the resin, but the smell should go away. If it doesn't go away, you got some of the resin either on your skin or your clothes.
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Unread 07-25-2009, 01:09 AM   #11
verdatum
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The harm of inhaling small amounts of polyester resin fumes is still under debate...however, they are so miserably nasty that I can't imagine anyone in their right mind using them without a respirator...and you should let pieces cure outside.
(edit: Larger pieces should cure outside. Most anything you're going to do with castin' craft will probably be pretty small)

To quote a polyester resin MSDS:
"Respiratory Protection: A NIOSH/MSHA approved air purifying respirator with
organic vapor cartridge or canister may be necessary under certain circumstances
where airborne concentrations are expected to exceed exposure limits. A respiratory
protection program that meets OSHA’s 29 CFR 1910.134 and ANSI Z88.2 requirements
must be followed whenever workplace conditions warrant a respirator’s use. Protection
provided by air purifying respirators is limited. Use a positive pressure air-supplied
respirator if 1) there is any potential for an uncontrolled release, 2) exposure levels are
not know, or 3) during other circumstances where air purifying respirators may not
provide adequate protection."

To quote the NIOSH pocket guide for styrene monomer:
Respirator Recommendations

Up to 500 ppm:
(APF = 10) Any chemical cartridge respirator with organic vapor cartridge(s)*
(APF = 10) Any supplied-air respirator*
Up to 700 ppm:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode*
(APF = 50) Any chemical cartridge respirator with a full facepiece and organic vapor cartridge(s)
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister
(APF = 25) Any powered, air-purifying respirator with organic vapor cartridge(s)*
(APF = 50) Any self-contained breathing apparatus with a full facepiece
(APF = 50) Any supplied-air respirator with a full facepiece

But yes, short answer, you want any facemask with activated charcoal cartridges. Mine was about 30$ and it's one of my more favorite purchases. I've seen higher grade masks that were rated for special ultra-nasty molds...you don't need that.

(edit: Zabuz, your filter looks like a particle filter only. If the cartridge just looks like a folded paper filter, then there ya go. It will do next to nothing for the fumes...but I can't tell from the pictures.)
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Last edited by verdatum : 07-25-2009 at 01:20 AM.
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Unread 07-25-2009, 12:16 PM   #12
Zabuz
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Quote:
Originally Posted by verdatum View Post
(edit: Zabuz, your filter looks like a particle filter only. If the cartridge just looks like a folded paper filter, then there ya go. It will do next to nothing for the fumes...but I can't tell from the pictures.)
hm... Guess I'm in trouble then.

ah well, I'm still gonna' use it, even if it doesn't help... "We always take risks here..."
Yes, I know it's stupid, but there's nothing really helping it.
I'm gonna' be outside in my yard when I'm using it (very soon, hopefully), and the weather is... well, it's some wind here, so that's a + I guess...

Secondly, what is the consequence of inhaling the fumes?
[Edit]: Found it.

And third, the text I put up there that was from some company, was that all rubbish or what? ..'
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Last edited by Zabuz : 07-25-2009 at 12:57 PM.
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Unread 07-26-2009, 09:54 AM   #13
verdatum
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I can't quote it, since you removed it, lol. but most of it was talking about particulate matter.
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Unread 07-26-2009, 12:37 PM   #14
Zabuz
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Quote:
Originally Posted by verdatum View Post
I can't quote it, since you removed it, lol. but most of it was talking about particulate matter.


...it's still there, just smaller ..
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