1) The raw material should be very transparent. The selected PVC/PET/PP film has the characteristics of strong flexibility, folding resistance, no sand spots on the surface of the film, and strong weather resistance.
2) Transparent plastic box packaging generally uses UV color printing. The standard qualified printing requirements are: strong color reproduction, bright colors, very attractive, fine printing dots, uniform color, no ink drop, no dirty spots.
3) The quality standard of plastic box packaging molding: smooth edges without burrs, uniform pressing force, easy to fold into a shape without bursting, and the glue on the mouth should be uniform, transparent and firm.