I once used exposed 35 mm photo film.


Marcelo Fornaso

> -----Mensaje original-----
> De:   Rick Mann [SMTP:rmann@LATENCYZERO.COM]
> Enviado el:   viernes 10 de mayo de 2002 16:14
> Para: PICLIST@MITVMA.MIT.EDU
> Asunto:       Source for IR-transparent plastic?
>
> Hi. I need to make a window for a product I'm working that's opaque to
> visible light and transparent to infrared. I've found many suitable
> plastics
> but they're generally only available as resins, rather than sheet. Since I
> only need a few tiny windows, I want to mill them out of a .250"-thick
> sheet
> of acrylic or polycarbonate, but minimum order quantities that I've found
> are around 7 sheets (36" x 48") @ $181 each. I found one place who'll sell
> me a .125" sheet (4' x 8') for $250.
>
> Does anyone know where I can get suitable plastic sheet, .250" or thicker,
> 2' x 2' (or thereabouts)?
>
> TIA,
>
> --
> Rick
>
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