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EVA Substrate Bond-or-Fail Checker
Pick a substrate from the surface-energy ladder on this page to see whether EVA film will wet it reliably, needs surface treatment first, or should not be trusted untreated.
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Wetting is necessary but not sufficient for a bond — this checker reflects the critical-surface-tension ladder on this page, not a guaranteed bond strength. A dyne test (ASTM D2578, PE/PP film only) can flag whether surface treatment is needed, but does not by itself confirm adhesion.
