Hi Techies,
I don't know how I got into this but Doug, I don't have a butler but if I
did he'd be supplied with leather gloves!
...which begs the question, why not leather gloves?
...and for Dewey's benefit, might I be on a hiding to nothing?
Aw come on, it is Friday!
Graham Naisbitt
On 8/9/05 20:41, "Douglas O. Pauls" <[log in to unmask]> wrote:
> I sort of agree with Richard on the issue. I used to be a more zealous
> advocate of gloves before I had to regularly deal with production floor
> issues. Now I am less of an advocate.
>
> Yes, cotton gloves are more comfortable. They give visiting customers a
> nice warm and fuzzy because everyone equate clean with white gloves.
> Watching too many English butlers I suspect. Maybe Graham was visiting.
> As said before, the cotton usually contains chlorine from bleach, they tend
> to absorb any hand oils and transmit to the exterior surface
>
> When I am doing cleanliness evaluations here, I usually wear a powder free
> vinyl glove by Oak Industries. If I am dealing with surfaces that may have
> more aggressive chemicals, I use the purple nitrile gloves. I find both to
> be comfortable.
>
> The problem that I have with gloves in a production environment is that the
> exterior of the glove is easily contaminated. If you get paranoid about
> it, every time you scratch your nose or move your hair out of your eyes
> (sadly not a problem for me either), the glove surface has been
> compromised. You can go through a ton of gloves real fast. The question
> always comes up on how paranoid people should be. How often should gloves
> be replaced?
>
> In our work here, our operators are taught to handle the boards by the
> edges only. Does not always happen on the shop floor, but most of our
> operators are very good about washing hands frequently. Then again, since
> we have a good aqueous cleaning prior to conformal coating, we don't need
> to be that paranoid about handling residues.
>
> Doug Pauls
>
>
>
>
> "Stadem, Richard"
> <Richard.Stadem@G
> D-AIS.COM> To
> Sent by: TechNet [log in to unmask]
> <[log in to unmask]> cc
>
> Subject
> 09/08/2005 01:52 Re: [TN] Clean before cleaning
> PM
>
>
> Please respond to
> TechNet E-Mail
> Forum
> <[log in to unmask]>
> ; Please respond
> to
> "Stadem, Richard"
> <Richard.Stadem@G
> D-AIS.COM>
>
>
>
>
>
>
> I happen to think that the blue nitrile gloves are best for handling
> pwb's and components.
> I do not know if they present any outgassing or chlorinating issues.
> I do know they will not snag on lead protrusions and other hardware,
> inadvertently causing dropped assemblies. White cotton gloves snag like
> crazy.
> However, the blue nitrile gloves cannot be used on boards that are hot.
> They have no insulative properties.
> They tend to not absorb fluxes and chemicals, but they do get dirty and
> need to be thrown and replaced periodically.
> The blue nitrile gloves protect the operator's hands from chemical
> exposure. White cotton gloves retain chemicals and prevent evaporation
> from the operator's skin.
> The blue nitrile gloves are available in ESD-safe type. I don't think
> the white gloves are.
> For these reasons I prefer the blue nitrile gloves. But the operators
> prefer the white cotton gloves, as they are more comfortable than the
> blue nitrile, especially if you have hairy hands like mine. Too bad more
> of it does not grow on the top of my head.
> But then maybe thats why I don't come up with all of those hair-brained
> ideas like others I work with!
>
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Tempea, Ioan
> Sent: Thursday, September 08, 2005 1:38 PM
> To: [log in to unmask]
> Subject: [TN] Clean before cleaning
>
> Technos,
>
> the question is whether to wear or not to wear gloves on assemblies that
> will be washed. I am fully aware of the solderability problems that can
> occur without gloves, so let's stick strictly to the post-wash
> contamination.
>
> And in the same key, Doug was talking about not using white gloves that
> have chlorines due to bleaching. Which are the gloves to wear?
>
> Thank you,
> Ioan
>
> ---------------------------------------------------
> Technet Mail List provided as a service by IPC using LISTSERV 1.8e To
> unsubscribe, send a message to [log in to unmask] with following text in
> the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or
> (re-start) delivery of Technet send e-mail to [log in to unmask]: SET
> Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the
> posts: send e-mail to [log in to unmask]: SET Technet Digest Search the
> archives of previous posts at: http://listserv.ipc.org/archives Please
> visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for
> additional information, or contact Keach Sasamori at [log in to unmask] or
> 847-615-7100 ext.2815
> -----------------------------------------------------
>
> ---------------------------------------------------
> Technet Mail List provided as a service by IPC using LISTSERV 1.8e
> To unsubscribe, send a message to [log in to unmask] with following text in
> the BODY (NOT the subject field): SIGNOFF Technet
> To temporarily halt or (re-start) delivery of Technet send e-mail to
> [log in to unmask]: SET Technet NOMAIL or (MAIL)
> To receive ONE mailing per day of all the posts: send e-mail to
> [log in to unmask]: SET Technet Digest
> Search the archives of previous posts at: http://listserv.ipc.org/archives
> Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16
> for additional information, or contact Keach Sasamori at [log in to unmask] or
> 847-615-7100 ext.2815
> -----------------------------------------------------
>
> ---------------------------------------------------
> Technet Mail List provided as a service by IPC using LISTSERV 1.8e
> To unsubscribe, send a message to [log in to unmask] with following text in
> the BODY (NOT the subject field): SIGNOFF Technet
> To temporarily halt or (re-start) delivery of Technet send e-mail to
> [log in to unmask]: SET Technet NOMAIL or (MAIL)
> To receive ONE mailing per day of all the posts: send e-mail to
> [log in to unmask]: SET Technet Digest
> Search the archives of previous posts at: http://listserv.ipc.org/archives
> Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for
> additional information, or contact Keach Sasamori at [log in to unmask] or
> 847-615-7100 ext.2815
> -----------------------------------------------------
>
---------------------------------------------------
Technet Mail List provided as a service by IPC using LISTSERV 1.8e
To unsubscribe, send a message to [log in to unmask] with following text in
the BODY (NOT the subject field): SIGNOFF Technet
To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL)
To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest
Search the archives of previous posts at: http://listserv.ipc.org/archives
Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815
-----------------------------------------------------
|
