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Thread: respirator vs. dust mask

  1. #1
    Constant Bitrate saikano's Avatar
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    respirator vs. dust mask

    i've read that using a simple dust mask is not sufficient for doing bondo/fiberglass work. so how and where can i acquire a respirator?

    preferably one that doesn't take too much $$$ out of the pocket...

    [also, suggestions of the type of places that use these around town, i'm good at talking to ppl and might be able to just borrow one...since this is a one time project...maybe...]
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  2. #2
    Maximum Bitrate fluffy2097's Avatar
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    Home Depo should have them. Make sure you check the specs on it to be sure it will filter out what you want.
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  3. #3
    Variable Bitrate
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    and you're looking to spend $30-40. Replacement cartridges seem to be around $15.. but I've used my respirator for hours now, and haven't had to replace the two that came with it.

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    Constant Bitrate b_nom's Avatar
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    I used 3M's particulate respirator model 8577, it's kinda like a dust mask, but made of a better material, and it has this "cool flow" valve, which lets you breathe easier, and it costs around 3.50 a piece (I got a box of 10). Just remember to have good airflow where you are working with the fiberglass no matter how good a respirator you get
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    Clover Grayscale's Avatar
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    I have put about 5 pounds of bondo on my dash and sanded it off without wearing any kind of mask...maybe thats why im so crazy lately?

    Ok, so not 5 pounds but about 8 or 9 layers
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  6. #6
    Clover Grayscale's Avatar
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    Is that stuff really that bad for your health? I mean, im sure it kills brain cells, but does it affect your lungs or anything? Heh, I get bondo down into cuts in my hands even



    ....damnit im gonna die
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  7. #7
    Jesus Freak antimatter's Avatar
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    I just used goggles and a dust mask.... I am sure that a resperator is better (nothing will get past that) but a dust mask should be sufficiant.
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  8. #8
    Maximum Bitrate gork's Avatar
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    DO NOT EVER RECOMMEND TO ANYONE THAT A DUST MASK IS SUFFICIENT TO WORK WITH FIBERGLASS OR BODY FILLER

    Here is the relevant information from the MSDS on Bondo Fiberglass Resin (Bondo brand Fiberglass-reinforced body filler has this in the hardner)

    Section 3 Hazards Identification
    Primary Routes of Entry: Inhalation, skin contact, ingestion, eyes.
    Exposure Effects Acute and Chronic:
    Inhalation: Acute: Nasal and respiratory irritation, dizziness, weakness, fatigue, nausea, headache, possible
    unconsciousness, central nervous system depression.
    Skin contact: Acute: Extraction of natural oils with resulting dry skin, irritation, redness and dermatitis. Can pass
    through the skin into the blood.
    Eye contact: Acute: Irritation, redness, pain, blurred vision, sensation of seeing halos around lights and reversible damage.
    Ingestion: Acute: Gastrointestinal irritation, nausea, vomiting and diarrhea; kidney damage, blood system damage.
    Chronic: Repeated overexposure to these products may cause central nervous system damage, kidney damage, liver abnormalities, lung damage, cardiac abnormalities, reproductive organ damage, skin sensitization and dermatitis.
    Other Health Effects: Intentional misuse by deliberately concentrating and inhaling the contents may be harmful or fatal. Reports have associated repeated and prolonged occupational overexposure to solvents with permanent brain and nervous system damage.
    Here is the MSDS for Bondo Body Filler. It's pretty close to the same (natural since they are using the same types of resins to harden the talc-based filler.

    Primary Routes of Entry: Inhalation, skin contact, ingestion, eyes.
    Exposure Effects Acute and Chronic:
    Inhalation: Acute: Nasal and respiratory irritation, nausea, cough, shortness of breath, dehydration, allergic respiratory reaction, tiredness, dizziness, weakness, headache, anesthesia, drowsiness, fatigue, chest pain, vomiting, central nervous system effects, narcosis. Liquid can be fatal if aspirated into the lungs.
    Skin contact: Acute: Extraction of natural oils with resulting dry skin, irritation, allergic skin reactions, redness and dermatitis. May be absorbed through the skin.
    Eye contact: Acute: Irritation, redness, pain, tearing, blurred vision, sensation of seeing halos around lights and reversible damage.
    Ingestion: Acute: Gastrointestinal irritation, nausea, vomiting, diarrhea, weakness, headache, dizziness, drowsiness, fatigue, lack of coordination, central nervous system effects, depression.
    Chronic: Repeated overexposure to this product may cause: central nervous system damage, hearing damage, kidney damage, liver abnormalities, lung damage, cardiac abnormalities, reproductive organ damage, blood effects, eye damage.
    Other Health Effects:Intentional misuse by deliberately concentrating and inhaling the contents may be harmful or fatal. Reports have associated repeated and prolonged occupational overexposure to solvents with permanent brain and nervous system damage.
    Note the use of words like "permanent" and "fatal." Granted, you can die if you drink gasoline, but then again you dont usually pump it into an open bucket next to your face, and the system of delivery has been designed not to let the vapors escape.

    If you don't want to buy a full respirator, you can get masks that have active filters in them for one-time use, but considering how much time it takes someone who hasn't ever worked with fiberglass or body filler before to build a project, a package of these might not be enough to last you for all the work. The hardware store will probably have respirators, but they probably won't have the masks with active air filters. If you are really really worried about the money, just sell the respirator when you are done!

    Remember that "I did it and I am fine" is not a worthwhile position to base your decision on when you decide to use only a dust mask to protect you from these vapors.

    1) Wear gloves at all times. Latex gloves will be fine.

    2) Wear a mask with an active filter while working with resins and filler while curing. Ventilate the area well. Preferably, wear goggles too.

    3) Wear a dust mask and goggles while filing/sanding cured fiberglass or bondo.

    4) Wear a mask with an active filter while painting and preferably goggles also.

    Finally, even if you don't follow these guidelines, please don't encourage others not to.
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  9. #9
    Constant Bitrate saikano's Avatar
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    grayscale, i want you to use a mask and gloves from now on. especially since you may have to do more work to fix that touchscreen issue.

    besides, read the back of the bondo can...says it can cause issues with the reproductive system.
    don't let a day go by without finding some wonder in it...

  10. #10
    Constant Bitrate saikano's Avatar
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    man...i swear...gork's post was not there a second ago and it scared the foolishness out of me when i saw that red text...but thanx gork
    don't let a day go by without finding some wonder in it...

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