usage of high temperature grease ????

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pro_marketing200767@yahoo.com - 10 Dec 2007 20:57 GMT

Dear Friends

Being a trader i am alwayz in search of new products which could be
marketed.Last week i was offered a high temperature silicon thicked
grease , and it was claimed to have drop melting point more than 316
C
which was supported by a test report of a famous research institute
using ASTM 2265 .I wanna ask from ppl here in this room , though
they
mentioned many usages ,

*) where this high temperature grease culd be used ,i mean to say
plz give me some detail as we need to market here so choosing a
target
market .i.e . TARGET INDUSTRY ????

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Tegger - 10 Dec 2007 22:20 GMT

pro_marketing200767@yahoo.com wrote in news:701ed305-f1f9-4e2c-99f2-
e8e5c2b4acf2@e25g2000prg.googlegroups.com:

> Dear Friends
>
[quoted text clipped - 11 lines]
> target
> market .i.e . TARGET INDUSTRY ????

The food industry, for one.
http://www.themoldersedge.com/polish.htm

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Tegger

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Scott Dorsey - 11 Dec 2007 15:23 GMT

>Being a trader i am alwayz in search of new products which could be
>marketed.Last week i was offered a high temperature silicon thicked
[quoted text clipped - 9 lines]
>target
>market .i.e . TARGET INDUSTRY ????

Sounds like typical copier fuser grease to me, at least if it's
clean enough. It needs to be pretty damn clean for copiers.

For automotive use, high temperature silicone greases tend to be
popular for things like distributor bearings. They need to handle
shear very well for that, though.

As high temperature greases go, 316'C is pretty good but not amazing.
The nice thing about the silicones is that the flash point is pretty
well controlled too, though.
--scott

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"C'est un Nagra. C'est suisse, et tres, tres precis."

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pro_marketing200767@yahoo.com - 12 Dec 2007 08:15 GMT

> <pro_marketing200...@yahoo.com> wrote:
>
[quoted text clipped - 25 lines]
> --
> "C'est un Nagra. C'est suisse, et tres, tres precis."

Dear Scott
thanx for ur reply , they say that dropping point is GREATER THAN 316
C as tested by Southwest Research Institue and there isnt any method
for testing it more than that , next , as u said it shud have
controlled Flash point , so by u suggest me to ask them to test this
flash point as well . Dear does controlled flash point would make it
amazing or special and marketable for any specific industry . thnx

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HLS - 12 Dec 2007 13:06 GMT

<pro_marketing200767@yahoo.com> wrote in message
news:13ec1ce5-9eaa-4b77-a7da-

> thanx for ur reply , they say that dropping point is GREATER THAN 316
> C as tested by Southwest Research Institue and there isnt any method
> for testing it more than that , next , as u said it shud have
> controlled Flash point , so by u suggest me to ask them to test this
> flash point as well . Dear does controlled flash point would make it
> amazing or special and marketable for any specific industry . thnx

Look at the Dow Corning series of silicone greases. They are basically
silicone oils thickened with fumed silica, or similar. They have some uses
in high vacuum situations, elevated temperatures, etc.

While they are unique and useful, I do not think you have stumbled upon
a gold mine.

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Scott Dorsey - 12 Dec 2007 14:59 GMT

<pro_marketing200767@yahoo.com> wrote in message
news:13ec1ce5-9eaa-4b77-a7da-

Well, ehe flash point should be on the data sheet.

See, you can't use a grease past the point where it gets too thin for
the job, but you ALSO can't use it at temperatures where it starts to
degrade or temperatures where it bursts into flame.

A lot of greases using paraffin base lubes will burst into flame before
they become too thin to use. So the flash point is the limiting factor.

Most silicones have high flash points. Consequently, the drop point
tends to be a bigger issue.

>Look at the Dow Corning series of silicone greases. They are basically
>silicone oils thickened with fumed silica, or similar. They have some uses
>in high vacuum situations, elevated temperatures, etc.
>
>While they are unique and useful, I do not think you have stumbled upon
>a gold mine.

Agreed, and also look at some of the General Electric stuff. They also
make some greases, as well as some very thick pure silicone compounds
like Viscasil.

The pure silicones have very good flow characteristics but break down
with high shear forces because they are long silicone chains with no
thickening agent.
--scott

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"C'est un Nagra. C'est suisse, et tres, tres precis."

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HLS - 15 Dec 2007 16:50 GMT

"Scott Dorsey" <kludge@panix.com> wrote in message news:fjot05

> The pure silicones have very good flow characteristics but break down
> with high shear forces because they are long silicone chains with no
> thickening agent.
> --scott

Exactly right. They can shear degrade.. They also degrade when exposed to
alkaline conditions.

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Marsh Monster - 15 Dec 2007 20:52 GMT

> "Scott Dorsey" <klu...@panix.com> wrote in message news:fjot05
> > The pure silicones have very good flow characteristics but break down
[quoted text clipped - 4 lines]
> Exactly right. They can shear degrade.. They also degrade when exposed to
> alkaline conditions.

==========
==========

you know.......every once and awhile.......

You run across an amazing thread in these NG's that actually
inform Techs as well as laymen......and give insight into the
intellect of some of the regs on the NG, who often make you
wonder if they know which end of a paperclip to stick in an
ADL connector..........

anywhooooo.......
good thread.....and don't fergit to hit the rating button.

~:~
mm
~sips his coffee.......files this one in his lube files~
~:~

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