Urethane Foam -- Wing Repair Kit
Very hard to find small amounts. Kit is 2 oz of each A and B. #2 density
Care must be taken since this stuff expands a great deal.
Finishes to a very light weight hard surface.
$14 delivered (check. MO, cash)
($15 regular PP)
Pictures show 1/16" of each in bottom of Dixi cup.