Flexible Packaging Converters Rapidly Adopt Validated Barrier Primers
Flexible packaging converters pursuing lamination adhesion and barrier reliability are increasingly specifying validated specialty barrier primers with documented adhesion strength and uniformity testing, rather than the conventional film primers that dominated converting when specialty chemistry costs were less competitive in prior years. This shift commands meaningfully higher unit cost than conventional format given the enhanced testing and certification requirements involved. Suppliers report barrier-validated orders now outpacing conventional orders across several major converter accounts tracked this cycle, a clear reversal from just a few years earlier across comparable shipments. Converters report fewer delamination incidents across pilot programs this cycle. The heat sealable packaging market is a natural companion read, sized by MMA at USD 4.5 billion in 2025 with 6.8% annual growth ahead.
Market Impact: Drives roughly 5% of demand








