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August 2009

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From:
Tan Geok Ang <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Tan Geok Ang <[log in to unmask]>
Date:
Fri, 21 Aug 2009 09:10:28 +0800
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Use static vacuum oven for curing



-----Original Message-----

From: TechNet [mailto:[log in to unmask]] On Behalf Of Karen Capps

Sent: Friday, 21 August 2009 5:40 AM

To: [log in to unmask]

Subject: Re: [TN] Manual spraying



We have already done that... Actually the hand spray is in a separate room with a major ventilation system - will pull the door shut from 12 inch opening!  The respirators are in addition to that and all of the employees working in the room request them anyway...



Thanks,

Karen H.A. Capps

TeligentEMS

(850) 539-2500 x257

(850) 539-2509 Fax#

 

www.teligentems.com

 Please consider the environment before printing this e-mail





-----Original Message-----

From: TechNet [mailto:[log in to unmask]] On Behalf Of Bev Christian

Sent: Thursday, August 20, 2009 3:57 PM

To: [log in to unmask]

Subject: Re: [TN] Manual spraying



I would recommend a good $12-20K fume hood!  Or are you trying to avoid air permitting?

Bev

RIM



-----Original Message-----

From: TechNet [mailto:[log in to unmask]] On Behalf Of Karen Capps

Sent: Thursday, August 20, 2009 2:27 PM

To: [log in to unmask]

Subject: Re: [TN] Manual spraying



And while we are on the topic of conformal coating - does anyone out there have a definitive on how long an OV filter will last (number of usage hours logged) on a respirator mask when using conformal coating?  One type of CC that we use has Toluene (TDI) and we really want to protect our employees that spray from that stuff.



Or do you recommend an air supply respirator?



Thanks in advance,

Karen H.A. Capps

TeligentEMS

 

www.teligentems.com

 Please consider the environment before printing this e-mail





-----Original Message-----

From: TechNet [mailto:[log in to unmask]] On Behalf Of Inge

Sent: Thursday, August 20, 2009 2:18 PM

To: [log in to unmask]

Subject: [TN] Manual spraying



Good Evening,

we use small cans filled with 1B1 conformal coating for handspraying boards. 

The guys are not satisfied with the result, because sometimes the result is 

matte. Microscope photos show thousands of microscopic bubbles in the 

coating. I suspect that it's included driving gas. Or wrong handling the 

spray can.Anyone out there with experience? How do you avoid this problem?

/Inge 



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This message and all attachments are intended for the use of the individual or entity to whom or which it is addressed and may contain information that is privileged, confidential, and exempt from disclosure. If the reader of this message is not the intended recipient or the agent responsible for delivering the message to the intended recipient, you are hereby notified that any dissemination, distribution, or copying of this communication is strictly prohibited. If you have received this e-mail in error, please notify me immediately at the number listed above.



U.S. export law as contained in the International Traffic In Arms Regulations (ITAR) and the Export Administration Regulations (EAR) may be applicable to any technical information submitted with this communication. This technical information is not to be placed in the public domain, exported from the U.S., or given to any foreign person in the U.S., without the prior, specific written authorization of TeligentEMS LLC and the U.S. Department of State or the U.S. Department of Commerce as applicable.


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