Joyce,
Yes. They are the ones that suggested the possibility of foreign
material on the boards, supporting our first assumption. They even took a
sample and placed it in a vapor degreaser. The samples returned coated just
fine using the original 1B73AP. HumiSeal also suggested doing a Zestron Flux
and resin test, also came back negative.
Thank you,
Ted
-----Original Message-----
From: Joyce Koo [mailto:[log in to unmask]]
Sent: Friday, February 06, 2009 8:28 AM
To: [log in to unmask]; [log in to unmask]
Subject: Re: [TN] Coating material
Did you contact hermiseal application engineer?
--------------------------
Sent using BlackBerry
----- Original Message -----
From: TechNet <[log in to unmask]>
To: [log in to unmask] <[log in to unmask]>
Sent: Fri Feb 06 09:26:17 2009
Subject: Re: [TN] Coating material
Grunde,
The HumiSeal 1B73AP is supposed to reduce the occurrence of webbing, that's
why it was original chosen. Now that we switched over to the 1B73 we are
seeing signs of it and trying to stay on top of it. We reduced the atomizer
a little to try to keep it to a minimum, I am not sure how much that is
going to help. I have seen worse on one of our other coaters spraying
HumiSeal 905. We are currently using a PVA coater and spraying it on.
Ted
_____
From: [log in to unmask] [mailto:[log in to unmask]]
Sent: Friday, February 06, 2009 2:01 AM
To: TechNet E-Mail Forum; Ted Tontis
Cc: [log in to unmask]
Subject: Re: [TN] Coating material
Hi
Small air bubbles and cobwebbing are familiar issues with these materials.
Do you use spray or filmcoating?
Cheers, Grunde
Is anyone currently using HumiSeal 1B73AP mixed with 521 carrier in a
automated process? If so have you noticed any coating issues?
Thank you,
Ted Tontis CID
Quality Engineer
Borg Indak, Inc.
701 Enterprise Dr
Delavan, WI 53115
C 262-949-8887
P 262-245-3060
F 262-728-3788
[log in to unmask]
www.borgindak.com <http://www.borgindak.com/>
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