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Arc Flash PPE question

Discussion in 'Personal Protective Equipment (PPE)' started by sharonkr, Jul 21, 2008.

  1. sharonkr New Member

    Hi all,

    I want to use arc flash PPE hazard risk category 3 and am planning to buy the HRC3 kit from salisbury with a rating of 31cal/cm2. Do I still need to wear a FR coverall underneath with a rating of 4cal/cm2?
  2. Zog Well-Known Member

    No, only NM fabrics for underlayers. But keep in mind that is only for HRC 3 tasks.
  3. sharonkr New Member

    Soory for asking, but what is NM?
  4. C Chord New Member

    NM = Non melting a.k.a. cotton or something similar. No polys that can melt or make things worse.

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