I have a chart with dozens of materials listed. Pm me with your email address if interested and I'll send it to you. (It's a Word Doc.)

Here's a couple examples:

Solite 20.44 grams/meter .603 oz/sq. yard
RA Microlite 11.9 " " .351
Litespan 28.8 .850
" dark colors 30.0 .885
Ultracote 36.67 1.08
Monokote 75.3 2.22
" trnsparent 57.07 1.68

Dennis-