Low Add-on Finishing

Foam Finishing Blow Ratio & Wet Pick-up Calculator

The chemistry is the same either way. Foam finishing sells one thing — the water the stenter no longer has to evaporate.

Foam Applicator
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Foam volume per unit of liquid volume.

%
g/L
Fabric & Line Running
g/m²
m/min
m
Comparison Conventional pad
%
kJ/kg

Chemical Add-on

— g/m²

Active chemistry delivered to the cloth

Foam & Drying

Foam Density
— g/L
Liquid Applied
— g/m²
Foam Volume Applied
— L/m²
Drying Load
— kW
Water Not Evaporated
— g/m²
Drying Energy Saved
— %

Foam only helps if it collapses into the cloth rather than sitting on it. Half-life, bubble size and applicator nip all decide that, and none of them are in this arithmetic — confirm penetration on a cross-section before trusting the add-on figure.

Foam Finishing Blow Ratio & Wet Pick-up Calculator — free, with the formula and a worked example, at Textile School.