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Wholesale Self Adhesive Gloss White BOPP

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PIAO ZHI HUA
Focus on the self-adhesive industry for 20 years.
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Self Adhesive Gloss White BOPP Manufacturers

Gloss White BOPP is made from polypropylene resin with calcium carbonate and pearlescent pigment added, etc., mixed and stretched in both directions. It has both plastic and paper characteristics and is a new type of plastic material product. It has clear color rendering, easy printing, and good chemical stability. Lightweight, high strength, good covering, and high water resistance, it can be used in posters and other product printing, as well as for food packaging, cosmetic packaging automotive soft packaging, and other packaging purposes. It plays the role of protecting products, beautifying products, and improving product grade.

Suzhou Piaozhihua Composite Material Technology Co., Ltd.

Piao Zhihua is a private company specializing in the production of high-grade self-adhesive labels, integrating research and development, production, sales and after-sales services. As China Wholesale Gloss White BOPP Manufacturers and Self Adhesive PP Film Factory.With a full range of production lines, including gluing, laminating and cutting, and an annual production capacity of more than 280 million square meters, we are among the top 10 companies in China for self-adhesive products.

With excellent technology, high-quality products and diverse offerings, we have earned a high degree of influence and brand awareness in both domestic and international markets, while building nationwide coverage of product sales outlets with a positive and progressive mindset.

In China, there are direct sales networks in Shanghai, Ningbo, Hangzhou, Chengdu, Harbin, Wuhan, Chongqing, Guangzhou, Changsha, Beijing and dozens of franchise chains. To further establish the status of the "PUODEHUA" brand in the international arena, we have built a marketing network in dozens of countries and regions such as the United States, Germany, Japan, South Korea, Brazil, Mexico, Russia, the Middle East and so on, covering Asia, Europe, the Americas, Africa, and other regions, and have become a long-term stable supplier.

Suzhou Piaozhihua Composite Material Technology Co., Ltd.

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Industry Introduction

How to enhance UV resistance of Gloss White BOPP when used as automotive flexible packaging?
Enhancing the UV resistance of Gloss White BOPP (Biaxially Oriented Polypropylene) when used in automotive flexible packaging is crucial to ensure the longevity and performance of the packaging material in outdoor and sunlightexposed conditions. Here are some strategies to improve UV resistance:

1. UV Stabilizers:Incorporate UV stabilizers or additives into the BOPP film during the manufacturing process. UV stabilizers help to absorb and dissipate UV radiation, reducing its damaging effects on the material. UV absorbers and hindered amine light stabilizers (HALS) are common types of UV stabilizers used.

2. Laminates and Coatings:Apply UVresistant laminates or coatings to the Gloss White BOPP surface. These additional layers act as a barrier, shielding the film from UV rays. UVresistant coatings can include acrylic, polyester, or other UVblocking materials.

3. UV Absorbing Pigments:Consider using Gloss White BOPP formulations that contain UVabsorbing pigments. These pigments are designed to absorb and dissipate UV radiation, protecting the underlying film.

4. WeatherResistant Inks:When printing on Gloss White BOPP for automotive packaging, use UVresistant and weatherresistant inks. These inks are formulated to resist fading and degradation when exposed to UV radiation and outdoor elements.

5. Multilayer Structures:Utilize multilayer packaging structures where Gloss White BOPP is combined with other UVresistant materials, such as UVblocking barrier layers or metallized films, to enhance UV protection.

6. UV Inhibiting Additives:Explore the use of UVinhibiting additives that can be mixed with the packaging material or incorporated into the printing ink to increase UV resistance.

8. Sealing and Closure Techniques:Use UVresistant sealing and closure methods, such as UVresistant adhesives or tapes, to prevent UV exposure at seams and joints in the automotive packaging.

9. Environmental Conditions:Consider the local environmental conditions in which the automotive packaging will be used. Extremely sunny or highUV areas may require additional UV protection measures.

Select the most appropriate combination of strategies to achieve the best protection based on the specific UV exposure levels and environmental conditions used in automotive packaging.


What is the production process of Gloss White BOPP?
The production process of Gloss White BOPP (Biaxially Oriented Polypropylene) involves several key steps, including extrusion, orientation, coating, and finishing. Here is an overview of the typical production process:

1. Extrusion:The process begins with the extrusion of polypropylene resin pellets. The resin is melted and then extruded through a flat die to form a continuous, flat sheet of polypropylene.

2. Cooling and Solidification:The extruded polypropylene sheet is rapidly cooled using a series of rollers or aircooling systems. This cooling process solidifies the molten polypropylene into a semisolid sheet.

3. Corona Treatment:To improve the surface tension and adhesion properties of the polypropylene film, it undergoes corona treatment. This involves exposing the film to a highfrequency electrical discharge that modifies the surface to make it more receptive to coatings and inks.

4. Primer Application:A primer layer may be applied to the treated surface. The primer enhances the adhesion of subsequent coatings and printing inks to the polypropylene film.

5. Coating Application:A coating, often containing a white pigment and other additives, is applied to one side of the polypropylene film. This coating gives Gloss White BOPP its glossy and white appearance. The coating is applied in a controlled manner to achieve the desired thickness and gloss level.

6. Drying:The coated polypropylene film passes through a drying oven where heat and air are used to evaporate solvents and water from the coating, leaving a smooth, glossy surface.

7. Orientation:The film is then biaxially oriented, which involves stretching it both in the machine direction (MD) and the transverse direction (TD). This orientation process aligns the polymer molecules and imparts strength, clarity, and other desired properties to the film.

8. Heat Setting:After orientation, the film is heatset to stabilize its molecular structure. Heat setting helps the film maintain its dimensional stability and prevents shrinkage.

9. Trimming and Slitting:The oriented and heatset film is trimmed to the desired width and may be slit into rolls or sheets of Gloss White BOPP.

10. Quality Control:The film undergoes rigorous quality control testing, which may include measurements of thickness, gloss level, opacity, and other relevant properties to ensure it meets specified standards.

11. Rolling and Packaging:The finished Gloss White BOPP film is rolled onto large spools or cut into sheets, depending on customer requirements. It is then packaged and prepared for distribution.

Gloss White BOPP can also be further processed, such as through printing or laminating, to create a range of finished products for various applications, including labeling, packaging, and graphics.