I, among others, got this from you. Pretty good stuff and answers even more
questions.
MoonMan
----- Original Message -----
From: "Francois Monette" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, May 02, 2002 10:27 AM
Subject: [TN] Vacuum sealing equipment
> Ioan,
>
> The protection comes from the combination of the sealed Moisture barrier
bag
> with the desiccant.
>
> As far as when to bake, the standard does specify that it should always be
> based on the status of the HIC. I am including the applicable references
> from J-STD-033 :
>
> Ref : 8.1.1 Upon receipt : "If openings are found, the humidity indicator
> card (HIC) should be read to determine the proper recovery action"
>
> Ref : 8.5.1 Excessive humidity in the dry pack : "...The following
> conditions apply regardless of the storage time, i.e., whether or not the
> shelf life has been exceeded (this is the one year from seal date minimum
> shelf life)...If the 10% RH dot is blue, the parts are still adequately
> dry...If the 8% RH is pink and the 10% RH dot is not blue, the components
> have been exposed to an excessive level of moisture, and drying must be
> done..."
>
> The real problem right now is that not all suppliers use the proper kind
of
> HIC (i.e. with 8%RH and 10%RH dots). My personal recommendation would be
to
> play it safe and to keep things simple for your operators. Ask them to
bake
> parts when in doubt about the status of the HIC.
>
> François Monette
> Cogiscan Inc.
> Tel : 450-534-2644
> Fax : 450-534-0092
> E-mail : [log in to unmask]
> www.cogiscan.com
>
>
>
> Date: Wed, 1 May 2002 10:50:34 -0400
> From: "Tempea, Ioan" <[log in to unmask]>
> Subject: Re: Vacuum sealing equipment...
>
> So Fran=E7ois,
>
> you are basically saying that the desiccant is the main preservative. =
> Then,
> is the humidity indicator the only factor on which we base the decision =
> "to
> bake or not to bake"?
> Even if the bag is punctured, if the indicator is not pink, no bake?
>
> Thanks,
> Ioan
>
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