WFT / DFT Calculator

Wet Film ↔ Dry Film Thickness

Based on ISO 19840 & SSPC-PA 2

Input Parameters

μm
%
%
μm

Results

Calculated DFT
130.0μm
Based on applied WFT and effective Volume Solids
Effective Volume Solids (after thinning)
65.0%
VSeff = VS / (1 + Thinner%)
ISO 19840 Acceptance Range
102144μm
Min 85% NDFT / Max 120% NDFT (standard)
✓ DFT WITHIN ACCEPTANCE RANGE
Formulas used:
WFT = DFT / (VSeff / 100)
DFT = WFT × (VSeff / 100)
VSeff = VSsolid / (1 + Thinner%/100)
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