PET material plays a crucial role in matte silver label paper, mainly reflected in the following aspects:
1、 The substrate that constitutes the label paper
PET (polyethylene terephthalate) is a high-performance polyester material with excellent mechanical properties, creep resistance, fatigue resistance, abrasion resistance, and dimensional stability. Dumb silver label paper is made from PET material as the substrate and processed through special techniques. This substrate endows the matte silver label paper with good hardness and toughness, enabling it to withstand certain physical pressures without being easily deformed or damaged.
2、 Provide matte silver effect
The surface of matte silver label paper is usually treated with a special coating to form a uniform layer of silver polyester polymer material. This layer of material not only gives the label paper a unique matte silver effect, but also enhances its resistance to stains, solvent corrosion, and other properties. PET material, as the substrate, provides stable support for this special coating, ensuring the durability and stability of the matte silver effect.
3、 Enhance the durability of label paper
PET material has excellent properties of oil resistance, fat resistance, acid resistance, dilute alkali resistance, and resistance to most solvents. These features enable matte silver label paper to maintain its performance and appearance integrity in various harsh environments. For example, in environments with humidity, high temperatures, or contact with chemicals, matte silver label paper can still maintain good adhesion and clarity.
4、 Improve the printing effect of label paper
The surface of PET material is smooth, which is conducive to the adhesion of printing ink. Dumb silver label paper usually uses high-quality printing techniques such as laser printing or inkjet printing, which can present clear and delicate printing effects on the surface of PET material. In addition, PET material also has excellent electrical insulation properties and temperature stability, which can maintain excellent physical and mechanical properties over a wide temperature range, ensuring the durability of printing effects.
5、 Environmental protection and safety
PET material is a non-toxic, odorless and environmentally friendly material that can be directly used for food packaging. Therefore, the application of matte silver label paper in food, medical and other fields also has high safety and reliability. Meanwhile, PET material can be recycled and reused, in line with the concept of sustainable development.
In summary, PET material plays multiple roles in matte silver label paper, including forming the substrate, providing matte silver effect, enhancing durability, improving printing effect, and environmental protection and safety. These characteristics make matte silver label paper have a wide range of application prospects in various fields.