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How to Diagnose Printing Defects on PP, PE and PET Films
- 2026-08-28 17:54:10
- admin
Printing problems on plastic film do not always come from the same part of the process. Ink may shrink immediately after transfer. A printed layer may look normal but fail a tape test after drying. Some problems only appear after water exposure, rubbing or when the press reaches normal production speed. During troubleshooting, it is useful to record when the defect first appears before changing se...
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Why PTFE Coatings Release Food but Adhere to Metal: The Role of Primer Resins
- 2026-10-30 11:18:53
- admin
A fried egg slides easily off a non-stick pan, yet the coating underneath remains attached to the metal through repeated heating and cooking. This raises an interesting question: if PTFE is known for its exceptionally low adhesion, how can it form part of a durable coating on cookware? The explanation lies in the difference between the surface that contacts food and the interface that bonds with t...