Methodology guide
Mix gallons, foam factors, and practice notes.
Calculator
Vacuum degassing chamber size calculator
Enter resin mix gallons and foam headroom. Get the smallest 3 or 5 gal class or NO_MATCH.
Result
Required chamber gal ≈ mix_gal × foam factor. Factor = 2 (typical epoxy) or 3 (silicone/heavy foam). Classes: 3 · 5 gal. Above 5 gal required → NO_MATCH.
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