The word is "Melonite" which is a trademark of Kolene Corporation in
Detroit, Michigan. Melonite is a salt bath used to nitride coat carbon
steels used for tooling and dies.
-----Original Message-----
From: Brian Ellis [mailto:[log in to unmask]]
Sent: Tuesday, August 01, 2000 9:38 AM
To: [log in to unmask]
Subject: Re: [LF] Protective Coatings for Wave Solder Pumps,Flow Ducts
and Nozzles
Have not heard of Malonite, but there used to be an American ceramic product
called Malinite, but I can hardly believe
that it is that to which Frank is referring (it is a ceramic based on talc
to which the glaze can be co-fired, saving a
lot on cost for cheap dinner services, now owned, I believe, by Wedgwood -
original 1930s Malinite pottery is a much
sought-after collector's item so, if you have any, you may be rich).
However, if what Frank has stated is right, I think
it important that we should know about it.
Brian
Christopher Jorgensen wrote:
> The following is a question from Frank Coultard, PCIF. His contact
information is included at the end of the message.
>
> ++++++++++++++++++++++++++++++++++++++++
> It has been brought to my attention that due to the high corrosivity of
> molten Sn, wave solder Pumps, Flow Ducts and Nozzles should be treated
with
> a protective coating to ensure long term service with Sn-0.3Cu lead-free
> solder . Malonite (sp?) is one recommended protective coating. It is
> apparently also the case that one should not apply, at least the Malonite
> coating, to these items if they have previously been exposed to
conventional
> SnPb solder. Does anyone have any experience converting existing wave
> solder equipment to lead-free service or have other information to share
on
> this subject?
>
> Best regards
>
> Frank Coultard
> Director
> PCIF
> Beaufort Court, #45, Admirals Way
> London E14 9XL
> England
> W: 011 44 1715151166, F: 011 44 1715151188
> [log in to unmask]
>
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