15 × 1 → 5 gal
Light touch-up.
Details
area 15, intensity 1
Reference
Sandblaster sizing reference
Worked area × intensity examples for common US shop screens.
50 × 1.5 → 10 gal
Paint/rust panel.
Details
area 50, intensity 2
100 × 1.5 → 20 gal
Larger portable job.
Details
area 100, intensity 2
200 × 2.5 → NO_MATCH
Exceeds 20 gal screen.
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