Speaking of painting...Respirator tips

[Andre Bouchard]

This is my understanding also....that there is no canister-type mask that will protect you from isocyanates (i.e., acrylic urethane paints such as PPG Concept), and the only truely safe way to use isocyanate-based paints is with a remote air supply.

It is not just inhalation of vapors that is problematic, it is also absorption through eyes and skin.  Isocyanate-based paints are dangerous and some folks can have very bad reactions to trace amounts of isocyanates.  Err on the side of caution.

Andre'
  ----- Original Message ----- 
  From: MKMSG at aol.com 
  To: discussion at nsrca.org 
  Sent: Sunday, January 16, 2005 8:44 AM
  Subject: Re: Speaking of painting...Respirator tips


  Clay:  What model 3M mask/filter is safe (as stated by 3M) for use with isocyanates?  My experience has been Dupont states that a self contained or supplied fresh air system is the only safe way to spray their isocyanate based paints.    

  Mike Moritko

  In a message dated 1/16/05 11:11:10 AM Central Standard Time, clay2 at highstream.net writes:
    Hello all,

    I sell Dupont brand out of my parts store.  A word about the 3m Masks.  They are widely and almost exclusively used by all the professional painters in my area.  One thing you DO want to do when storing the mask in the re-sealable package along with cleaning them thouroughly is to remove and dispose of the canister pre-filters. If you do not, the canister will deteriorate just has if a painter would use them everyday.  New pre-filters are available from anyone selling the masks.

    Clay Schmidt
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