Hi Ken
I am also interested in a piece of this material. If we can find a one or two others, would you be interested in buying a sheet and splitting the cost?
I would like about a 20cm square.
Have fun
Philip
http://www.telescopes-astronomy.com....-pricelist.htm
46. Astro Solar Safety Film, Photo Film and Turbo Film
2459280* AstroSolar Photo Film 100x50cm, Telescope Quality, ND = 3.8 $117AUD