Harold B. Mandel wrote:
Sirs,
There is a material that is supplied in sheets of varying
thicknesses, colored red, that makes excellent insulating
boards.
Does anyone know its trade name or who sells it?
Thanks,
Hal Mandel
W4HBM
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Tufnol (or similar spelling) is one possibility. You can get it from RS
components in the UK, althouhg they have a international presence. It
is a very good insulator, but not exactly inexpensive if I recall
correctly.
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