Double-sided Heat Sealable BOPP Film

bopp double-sided heat-sealing film is a very important flexible packaging material, which is widely used. BOPP heat-sealing film is colorless, odorless, odorless, non-toxic, and has high tensile strength, impact strength, rigidity, toughness and good transparency. The surface energy of BOPP film is low. Corona treatment is required before gluing or printing. After corona treatment, BOPP film has good printing adaptability, and can be printed in color to obtain exquisite appearance. Therefore, it is often used as the surface layer material of composite film. Cigarette, book cover packaging. BOPP film's initial tear strength is increased after stretching, but the secondary tear strength is very low. Therefore, no cuts should be left on both ends of the BOPP film, otherwise the BOPP film will easily tear during printing and lamination. BOPP can be used to produce sealing tape after coating with adhesive, which is a market with a large amount of BOPP.
 

BOPP heat seal film can be produced by tube film method or flat film method. The properties of BOPP films obtained by different processing methods are also different. The BOPP film produced by the flat film method has a higher stretching ratio (up to 8-10), so the strength is higher than that of the tube film method, and the uniformity of the film thickness is also good.
 

Selected imported high-quality raw materials are processed through biaxial stretching. Three-layer structure: single-sided heat-sealing, the other side can be a corona surface, which can be printed; can be double-sided heat-sealed. This product has good flatness, good compounding and printing performance, and is suitable for high-speed packaging and printing compound packaging.