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Steve...
Posted: Mon Jun 16, 2008 8:06 am
Guest
Hello,

I would very much appreciate experts here defining whether Silcone can
be categorised as a TPR (Thermoplastic rubber).

I am in the Brush business and I have samles from a vendor that they
claim to be silcone.
and another vendor that claims them to be TPR.


Could you also let me know the normal Durometer scale you would test
the hardness on.


Thanks for you reply

Steve
Steve...
Posted: Mon Jun 16, 2008 8:35 am
Guest
Hi Mark

Thanks for the reply.

So its a thermoset rather than a thermoplastic - Ie it won't melt?

Thanks again,

Steve



On Jun 16, 11:20 am, Mark Thorson <nos... at (no spam) sonic.net> wrote:
Quote:
Steve wrote:

I would very much appreciate experts here defining whether Silcone can
be categorised as a TPR (Thermoplastic rubber).

No, it's crosslinked.

I am in the Brush business and I have samles from a vendor that they
claim to be silcone.
and another vendor that claims them to be TPR.

Could you also let me know the normal Durometer scale you would test
the hardness on.

Shore A.
Steve...
Posted: Mon Jun 16, 2008 12:27 pm
Guest
On Jun 16, 11:50 am, Mark Thorson <nos... at (no spam) sonic.net> wrote:
Quote:
Steve wrote:

So its a thermoset rather than a thermoplastic - Ie it won't melt?

It won't melt.  It can burn, although it's among
the most temperature-resistant plastics.  It usually
won't support a flame, unless it's in very thin
section or small particles.

Mark,

Thanks again for your Help
Mark Thorson...
Posted: Mon Jun 16, 2008 1:20 pm
Guest
Steve wrote:
Quote:

I would very much appreciate experts here defining whether Silcone can
be categorised as a TPR (Thermoplastic rubber).

No, it's crosslinked.

Quote:
I am in the Brush business and I have samles from a vendor that they
claim to be silcone.
and another vendor that claims them to be TPR.

Could you also let me know the normal Durometer scale you would test
the hardness on.

Shore A.
Mark Thorson...
Posted: Mon Jun 16, 2008 1:50 pm
Guest
Steve wrote:
Quote:

So its a thermoset rather than a thermoplastic - Ie it won't melt?

It won't melt. It can burn, although it's among
the most temperature-resistant plastics. It usually
won't support a flame, unless it's in very thin
section or small particles.
 
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