Bob Engelhardt wrote:
CaveLamb wrote:
Lexan is the one that will craze like crazy.

Lexan is a brand name (GE's ?) of polycarbonate. Bob

It's the only one I have any direct experience with.

One windshield crazed (almost to dust) the first time
it got a little gas on it.

The replacement didn't and still flies.

Both surfaces are not always treated.
And it seems to matter which way the sheet is bent.

Bending the surface away from the solvent (ok, solvent contacting
a convex (treated!) surface?) will react badly and quickly.

Solvent contact on the concave side, not so reactive.




--

Richard Lamb