There are two popular ways to tell if a thermofoil component is manufactured well. The first is the appearance and the second is the adhesion on the edges.
- Telegraphing of the mdf through the film
- visible wrinkles, shadowing, defects
- overstretched corners or whitened corners
- clear bite of the film to the edge of the component. You can tell by a pull test
- adhesion down in raised panel profiles, no bridging
For the sake of this post, I'd like to discuss why and when to do a pull test. Firstly when the heat is activated well the film will stick well to the sides of the components. Examples are below:
Good times to do a fiber pull test are:
- When lowering temps significantly
- When changing film thicknesses more than .1mm
- When adding working with a new vendor
- When adding a protective film
In conclusion, pull tests are great way for manufacturers to spot check their components to better ensure good adhesion on the sides of the components and can be an integral part of QC.
Design Life blog
Color inspiration from around the world, backstories on design inspiration and informative articles about marketing, membrane pressing and personal development. Author Mark Viers delivers fresh content that will help you and your business grow and thrive.
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