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Recent content by ahumza94

  1. ahumza94

    How to calculate ppm generated of formaldehyde in batch

    Ok, I just slapped myself, can't believe I missed that. I guess I was thinking since liquid-->gas has volume expansion, but there's still mass conservation law that applies between vapor and liquid. Also I was skeptical at the 15000+ ppm calculated because I was there during the a batch and I...
  2. ahumza94

    How to calculate ppm generated of formaldehyde in batch

    Have a batch with a 3 lb curative package. The curative package contains .1 weight percent formaldehyde. Its a butyl rubber based batch mixed in a banbury mixer so a lot of heat is generated from the rubber masticating. The batch mixes until it reaches 350F and then we dump the batch. Question...

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