What factors will affect the quality of PE self-adhesive film?

- May 21, 2018 -

What factors will affect the quality of PE self-adhesive film?


First, the crystallinity of PE material: the lower the crystallinity, the better the adhesion. The higher the crystallinity, the worse the viscosity. The crystallinity reflects the density of the PE material from another angle.


Second, the bending modulus of PE is related to the softness of PE material. The lower the bending modulus is, the softer the PE protective film is. The lower the PE molecule is, the easier it will penetrate into the surface of the object and the more firmly it is attached to it.


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