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I design most of our "stuff"...Out of "woven glass fabric composite with epoxy resin"
AKA: Type GEE-F.
AK Sometimes as Garolite grade G10.
I can give you a run down of some of the critical stats (but), these vary greatly from company to company. And I mean they are all over. The above call outs leave layup of this material wide open for manufactures...
Density: 0.067 lb/in^3
(0 deg) 2.6E06
(90 deg) 2.5E06
(45 deg) 1.2E06
(0 deg) 17.4E-06/C
(90 deg) 13.4E-06/C
(45 deg) 15.4E-06/C
(Thru the layup Z) 50ppm
(0) 39 Ksi
(90) 37 Ksi
As far as setting this up for analysis...I've looked at this stuff as an isotropic blob...Big solids.
And I'm glad that this has sufficed so far.
Not sure if it's an option but obtaining your own empirical data, i.e. strain data, density, etc., from a sample might be the most accurate solution in the case of a composite.