hi,

as david stated, scuffing is absolutely essential.  may i add that the surfaces that are being bonded (faying surfaces) need to be 'water-break-free'.  stainless ain't that easy to bond to either.  a good hint as to which surface preparation is inadequate is to check the failed surfaces for the presence of adhesive (cohesive failure...good).  absence of adhesive indicates adhesive failure (adhesive failure...bad).  chemical etching of the faying surfaces is the best way to prepare the surfaces; often, though, pumice scrubbing will work.  dupont material literature has good data on this topic, and the supplier of your adhesive should also be able to help.

phil

-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Roach, David
Sent: Tuesday, March 01, 2005 9:56 AM
To: [log in to unmask]
Subject: Re: [TN] Help!!


Delrin is a difficult plastic to get anything to adhere to, as it is a
"waxy" plastic. You might have some success with a two-part epoxy.  I would
recommend scuffing the surface of the Delrin before gluing.


Dave Roach
Trane GCC
4833 White Bear Parkway
St. Paul, Minnesota  55110
651-407-4294

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Chad Haima
Sent: Tuesday, March 01, 2005 11:53 AM
To: [log in to unmask]
Subject: [TN] Help!!

Anybody have some recommendations for glueing delrin and stainless steel
together.  We're going through loctite and are getting nowhere.  Any
help is much appreciated.



Thanks,

Chad Haima

Pentagon EMS

Ph: 503-924-2747

Fx: 503-924-2744

[log in to unmask]

www.pentagon-ems.com






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