TECHNET Archives

October 2016

TechNet@IPC.ORG

Options: Use Monospaced Font
Show Text Part by Default
Show All Mail Headers

Message: [<< First] [< Prev] [Next >] [Last >>]
Topic: [<< First] [< Prev] [Next >] [Last >>]
Author: [<< First] [< Prev] [Next >] [Last >>]

Print Reply
Subject:
From:
"lduso - Diamond-MT.com" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, lduso - Diamond-MT.com
Date:
Wed, 5 Oct 2016 15:22:31 -0400
Content-Type:
text/plain
Parts/Attachments:
text/plain (132 lines)
Doug, have you ever used their recommended catalyst agents when baking it?

Lloyd Duso
Plant Manager
Diamond-MT
(814) 535-3505
www.Diamond-mt.com

On Wed, Oct 5, 2016 at 2:07 PM, Douglas Pauls <
[log in to unmask]> wrote:

> Good point.  The 1-2620 is a bit thinner and flows well.  If you are going
> to spray coat, use Dow Cornings OS series of solvents.  I would recommend
> using the OS-30, which is slower evaporating than either the OS-10 (fast)
> or OS-20 solvents (medium).
>
>
> Doug Pauls
> Principal Materials and Process Engineer
> Rockwell Collins
>
> On Wed, Oct 5, 2016 at 11:48 AM, lduso - Diamond-MT.com <
> [log in to unmask]> wrote:
>
>> We've never tried baking it but leaving it out before baking will
>> definitely help. Funny story: Had a customer hand us a spec to follow for
>> using 1-2577. The spec stated that "The coating facility should maintain
>> 15-25% RH when using 1-2577" We politely refused.....and recommended Wyle
>> E. Coyote's facility in AZ.
>>
>> Another option is 1-2620---basically a pre-thinned (150 cp) version of
>> 1-2577 for easier spraying.
>>
>> Lloyd Duso
>> Plant Manager
>> Diamond-MT
>> (814) 535-3505
>> www.Diamond-mt.com
>>
>> On Wed, Oct 5, 2016 at 11:43 AM, Douglas Pauls <
>> [log in to unmask]> wrote:
>>
>>> Good point.  We usually let them dry overnight at ambient conditions
>>> before
>>> baking.  The longer you leave a coating to evolve the solvent gently, the
>>> less chance of bubbles.  We apply it pretty thick and leaving a long
>>> ambient drying time allows us to do it bubble free.
>>>
>>>
>>> Doug Pauls
>>> Principal Materials and Process Engineer
>>> Rockwell Collins
>>>
>>> On Wed, Oct 5, 2016 at 10:18 AM, Wayne Thayer - EXT <
>>> [log in to unmask]
>>> > wrote:
>>>
>>> > When baking 1-2577 be real careful: If it is cured too quickly
>>> (depends on
>>> > thickness) then it will trap lots of solvent bubbles.
>>> >
>>> > From: Douglas Pauls [mailto:[log in to unmask]]
>>> > Sent: Wednesday, October 05, 2016 8:16 AM
>>> > To: TechNet E-Mail Forum; Wayne Thayer - EXT
>>> > Subject: Re: [TN] Silicone Conformal Coating supplier
>>> >
>>> > Dean,
>>> > We use Dow Corning 1-2577 as our approved silicone and it has always
>>> > worked well for us.  It is about 20-30% toluene, so it is a VOC, but if
>>> > memory serves, there are low VOC versions of 1-2577 out there.  While
>>> it
>>> > does have a relatively quick tack time, you may want to bake it a
>>> while to
>>> > drive the cure reaction and improve adhesion.
>>> >
>>> >
>>> > Doug Pauls
>>> > Principal Materials and Process Engineer
>>> > Rockwell Collins
>>> >
>>> > On Wed, Oct 5, 2016 at 10:08 AM, Wayne Thayer - EXT <
>>> > [log in to unmask]<mailto:[log in to unmask]>> wrote:
>>> > Isn't that stuff about half toluene?
>>> >
>>> > Really--I love 1-2577 too, but won't it cause all of the "VOCs" alarms
>>> in
>>> > the county to go off at once?
>>> >
>>> > Wayne Thayer
>>> >
>>> > -----Original Message-----
>>> > From: TechNet [mailto:[log in to unmask]<mailto:[log in to unmask]>] On
>>> Behalf
>>> > Of lduso - Diamond-MT.com
>>> > Sent: Wednesday, October 05, 2016 7:54 AM
>>> > To: [log in to unmask]<mailto:[log in to unmask]>
>>> > Subject: Re: [TN] Silicone Conformal Coating supplier
>>> >
>>> > 90% of our customers (DOD & commercial) call out Dow 1-2577. A good all
>>> > around SR that is extremely easy to apply, t/u, rework and has a very
>>> quick
>>> > "dry" time of a mere 20 minutes @ room temp. Others are MG Chemicals
>>> and
>>> > Humiseal.
>>> >
>>> > Lloyd Duso
>>> > Plant Manager
>>> > Diamond-MT
>>> > (814) 535-3505<tel:%28814%29%20535-3505>
>>> > www.Diamond-mt.com<http://www.Diamond-mt.com>
>>> >
>>> > On Wed, Oct 5, 2016 at 10:48 AM, Stadem, Richard D. <
>>> > [log in to unmask]<mailto:[log in to unmask]>> wrote:
>>> >
>>> > > I have a client who needs to qualify a silicone coating, either an
>>> > > oven cure or UV cure coating. I am looking for a good supplier or
>>> > distributor.
>>> > > If any of you coating experts would care to share your favorites with
>>> > > me, I would greatly appreciate it, as I am not an expert on sources
>>> of
>>> > > coatings (best pricing, service, stocking, etc.) Feel free to contact
>>> > > me directly by answering this email.
>>> > > Thanks for any info you feel comfortable sharing.
>>> > > dean
>>> > >
>>> >
>>> >
>>>
>>
>>
>

ATOM RSS1 RSS2