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MMD > Archives > March 1998 > 1998.03.17 > 12Prev  Next

What is Delrin (Used in Solenoid Pianos)
By John A. Tuttle

Hi Harvey,

Long time no hear. Thanks for the info. I received a couple of other
responses earlier today. I'm forwarding all of them to the MMD.

Thanks again,


 --- forwarded message follows ---

At 12:56  3/17/98 -0800, you wrote:

> Delrin, as I understand it, is a "plastic" manufactured by Dupont.
> I have only seen it in black.  It is very strong, and is machineable.
> I don't know any specifics about it's physical properties, it is an
> insulator and is relatively inert chemically.  It will bend until it
> fractures in a brittle manner with little to no discernible permanent
> deformation.  It does not absorb moisture, and is quite dimensionally
> stable.  I vaguely remember some cautions about handling/machining the
> stuff, but don't remember any specifics - possibly health or fire
> hazard?? Don't really remember.  If you really need specific
> information, I would suspect that a materials distributor or Dupont
> Chem. Co. could provide you what the industry calls "material data
> sheets" on the stuff.
> Hope this helped
> Harvey

Key Words in Subject:  Delrin, is, Pianos, Solenoid, Used, What

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