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In the modern printing industry, the choice of materials has a crucial impact on printing effects, production efficiency and durability of finished products. As a new type of substrate widely used in the field of high-quality printing, semi-rigid printing base film is gradually becoming the preferred material for printing manufacturers and brands due to its excellent physical properties and good printability.
What is semi-rigid printing base film?
Semi-rigid printing base film is a functional film material between rigid base film and flexible base film. It is made of polyester (PET), polypropylene (PP), polystyrene (PS) or multi-layer composite materials. Its rigidity and flexibility are regulated by professional processes, so that it has good stiffness and can meet the needs of subsequent processes (such as die-cutting, hot pressing, folding, etc.). The thickness of semi-rigid printing base film is generally in the range of 50-300 microns, and different specifications can be selected according to specific applications.
Core performance of semi-rigid printing base film
Excellent dimensional stability
Semi-rigid printing base film has good tensile and shrinkage resistance. It maintains stable size under high temperature or multiple printing processes, is not easy to warp and deform, and ensures printing overprint accuracy.
Excellent surface treatment
The surface of the film material has been treated with corona, coating and other processes to achieve high adhesion, excellent ink adsorption capacity and printing adaptability, and is suitable for UV printing, screen printing, offset printing and other printing methods.
Good mechanical strength and impact resistance
The semi-rigid structure gives the base film high tear resistance and impact resistance, which can effectively prevent damage during processing and transportation, and improve the qualified rate of finished products.
Environmental protection and recyclability
Most semi-rigid base films use environmentally friendly polymer materials, which can be recycled and meet the current requirements of green production in the printing industry.
Main application areas
Semi-rigid printing base film is widely used in many industries and products, including but not limited to:
Labels and signs: used for high-end electrical appliances, equipment nameplates, industrial labels, durable labels, etc., which require high strength and weather resistance.
Packaging and printing: Window films and lining materials suitable for exquisite outer packaging of food, cosmetics, electronic products, etc.
Card printing: Card products such as membership cards, points cards, advertising cards, etc. that require a certain degree of stiffness and durability.
Anti-counterfeiting and functional printing: used for printing applications that require high-precision graphics such as special processes, anti-counterfeiting layers, and QR code substrates.
Advantages of semi-rigid printing base films
Compared with traditional flexible films and all-rigid sheets, semi-rigid printing base films are outstanding in many aspects:
Strong process adaptability: It can be thermoformed and punched, and can adapt to various printing and coating processes.
Exquisite finished product effect: Good flatness and optical properties make the printed graphics delicate and full, with a strong sense of hierarchy.
Improve production efficiency: Semi-rigid materials are easier to mechanize and automate, reducing manual intervention.
High economic benefits: Lower cost than all-rigid materials, while also having some functional properties of hard materials.
With the continuous development of printing technology and the increasing demand of customers for high-quality and high-performance printed products, semi-rigid printing base film is gradually becoming an important basic material in the printing industry with its unique performance and broad application prospects. Whether in the field of high-end labels, functional cards or innovative packaging, semi-rigid printing base film has shown strong competitiveness. For printing companies, choosing the right semi-rigid printing base film can not only help improve product quality, but also enhance market competitiveness and help companies achieve sustainable development.
