EPISODE 14 — Film Build, DFT Variation, and Performance Impact
Автор: Vimal Kumar Gopi
Загружено: 2026-01-12
Просмотров: 3
Описание:
Dry film thickness (DFT) is a critical control parameter in automotive coatings, directly influencing solvent release, mechanical performance, appearance quality, and long-term durability. In this episode, we explain why even small DFT variations can shift a coating system from robust to failure-prone.
The discussion covers how process-induced film build variation differs between laboratory panels and full vehicle bodies, and how excessive or insufficient DFT leads to defects such as solvent popping, blistering, orange peel, poor chip resistance, and appearance instability. OEM thickness specifications and RD&I risk management strategies are explained to show how coatings are engineered for robust performance across tolerance limits.
This episode is essential for coatings RD&I engineers, paint shop specialists, and formulation teams responsible for DFT control, durability assurance, and OEM approval.
Post your technical questions in the comments related to DFT optimization, thickness sensitivity, lab-to-line film build mismatch, or durability failures for future in-depth discussions.
#AutomotiveCoatings
#DryFilmThickness
#DFTControl
#CoatingsEngineering
#CoatingsRDnI
#OEMPaintShop
#PaintDurability
#SurfaceEngineering
#SolventBasedCoatings
#CoatingDefects
#AutomotivePaint
#PaintTechnology
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