BOPP Film
BOPP film is a very important soft packing materia,colorless, odorless, tasteless, non-toxic, and
has high tensile strength, impact strength, rigidity, toughness and good transparency.
BOPP film: the polypropylene polymer melt is made firstly into a narrow or thick sheet, then stretched in a dedicated machine at a certain temperature, at the same time or step by step in two perpendicular directions (vertical and horizontal), finished after appropriate cooling or heat treatment or special processing (such as corona and coating) .
It needs to be corona treated before gluing or printing. After corona treatment, BOPP heat sealing film will have good printing adaptability, and can be printed to obtain exquisite appearance effect, so it is often used as the surface material of composite film.
BOPP film can be divided into double-side heat sealing film and single-side heat sealing film.
Double-side heat sealing film is suitable for three-dimensional packaging, mainly used for box packaging.
Single-side heat sealing film is suitable on horizontal packing machine.
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