OTR Calculator

Calculate oxygen transmission rate.

How thick the material or layer is.
mil
Enter the film (1=ldpe, 2=evoh, 3=pet, 4=foil) value for this calculation.
Surface area measurement (length × width for rectangles).
sq in

Results

Base OTR:
Calculated base otr based on your inputs.
-cc/100sqin/day
Adjusted OTR:
Calculated adjusted otr based on your inputs.
-cc/100sqin/day
Daily O2 Ingress:
Calculated daily o2 ingress based on your inputs.
-cc/day
Reference: ASTM/ISTA Standards. ASTM D3985 OTR testing.