: The aerospace yellow primers generally contain strontium or barium chromates.
: The chomates provide corrosion protection for the aluminum alloys
: generally found on aircraft. On the other hand, such materials are not
: considered conducive to good health, especially during sanding operations.

Thanks for the info ... I'll check the current MSDS sheet again, although it probably doesn't apply to stuff made several years ago ... fortunately I didn't do too much sanding and the stuff seemed safer than the 2 part polys. Amazing! - the range of knowledge from the thoughtful posters on this board!

Thanks again, John