50 year old problems plague the collision repair industry.
Mixing ratios rarely
Limited work window.
Redo's from pinholes & shrinkage.
SSingle component. No mixing ratios. Use directly out of can.
Infinite wet edge time.
Perfect your work before curing.
Non-porous & fully cross-linked cured surface. No more pinholes or shrinkage.
Minimize waste. Use only what you need. Whatever you don't use goes right back in the can.