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August 2005

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Subject:
From:
"Stadem, Richard" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Stadem, Richard
Date:
Tue, 30 Aug 2005 12:24:38 -0500
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I have seen this question come up many times. There is nothing in
J-STD-033 that addresses whether or not a vacuum seal is required, just
that the bag needs to be sealed with Moisture Indicator Card and fresh
dry dessicant.
I am not sure which is better, vacuum seal or not. In the places I have
worked, they have never used a vacuum seal, just a heat seal. 

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Charles Caswell
Sent: Tuesday, August 30, 2005 12:19 PM
To: [log in to unmask]
Subject: Re: [TN] Sealer for resealing MS components...

Steve, I don't know about the theories about this but we just put in the
desiccant and card, squeeze most of the air out and seal. If the card is
good when the bag is reopened we use the parts. ( As long as they are
within the original shelf life )

-----Original Message-----
From: Steve Gregory [mailto:[log in to unmask]]
Sent: Tuesday, 30 August 2005 8:43 AM
To: [log in to unmask]
Subject: [TN] Sealer for resealing MS components...

Good Day Everyone!

First, I would like to offer my sympathies to all Technetters who were
affected, or had families or freinds affected by hurricane Katrina.

When resealing MS components after they've been opened, I've heard that
it's not really necessary to vacuum seal them. In fact, that it's not
recommended to vacuum seal them, it's better to put fresh dessicant and
a HIC in the bag and then seal it.

The reasoning is that if you pull a vacuum on the bag and seal it, the
air inside the bag doesn't have a chance to circulate around and allow
the dessicant to be as effective as it could be. Is this true?

If so, doesn't anybody know of just a straight sealer without vacuum?
The vacuum sealers are not cheap, and if I could find just a basic
sealer that would be great.

Kind regards,

-Steve Gregory-
Senior Process Engineer
LaBarge Incorporated
Tulsa, Oklahoma
(918) 459-2285
(918) 459-2350 FAX
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above.
If you are not the intended recipient, you may not copy, use or deliver
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