Harmonized System Codes • Schedule B • Harmonized Commodity Description

The Versatile HS Code 99022575: Biaxially Oriented Polypropylene Film for Capacitors

Biaxially oriented polypropylene film, identified by the HS Code 99022575, is an essential material used in the manufacturing of capacitors. This specialized film is produced from low ash content polypropylene resin and possesses unique properties that make it ideal for various applications.

The film is manufactured through a biaxial stretching process, where the polypropylene resin is stretched simultaneously in both the machine direction (MD) and transverse direction (TD). This biaxial orientation gives the film enhanced mechanical strength, excellent dimensional stability, and improved barrier properties.

One of the key factors that sets this particular type of biaxially oriented polypropylene film apart is its low ash content. With an ash content of less than 0.01%, it ensures a high level of purity and minimizes the risk of contamination in sensitive applications, such as capacitors.

The Role of Biaxially Oriented Polypropylene Film in Capacitors

Capacitors are electronic components widely used in various industries, including automotive, telecommunications, consumer electronics, and energy storage systems. These devices store electrical energy and release it when needed, making them crucial for numerous electronic applications.

The biaxially oriented polypropylene film with the HS Code 99022575 plays a vital role in capacitors by serving as a dielectric material. The dielectric material is placed between the two conductive plates of a capacitor, preventing direct electrical contact between them while allowing the storage and release of electrical energy.

Due to its specific properties, this film provides several advantages for capacitor applications:

• High dielectric strength: The film exhibits excellent dielectric strength, which determines its ability to withstand high voltage without breakdown. This property ensures the safe and reliable operation of capacitors, even under demanding electrical conditions.
• Low dielectric loss: The film has low dielectric loss, meaning it dissipates minimal electrical energy in the form of heat during operation. This attribute contributes to the overall efficiency and performance of capacitors.
• Excellent insulation properties: Biaxially oriented polypropylene film has exceptional insulation capabilities, effectively isolating the conductive plates and preventing any leakage of electrical charge. This insulation is crucial for maintaining the integrity and stability of capacitors.
• Thermal resistance: The film exhibits good thermal resistance, allowing it to withstand high temperatures without significant degradation. This property is particularly important in applications where capacitors are exposed to elevated temperatures, ensuring their long-term reliability.

Additional Applications and Benefits

Besides its primary use in capacitors, biaxially oriented polypropylene film finds applications in various industries and products. Some of these include:

• Flexible packaging: The film's excellent barrier properties and moisture resistance make it suitable for flexible packaging materials, such as food packaging, labels, and laminates.
• Electrical insulation: Due to its high dielectric strength and insulation properties, the film is utilized in electrical insulation tapes, cables, and other electrical components.
• Printing and labeling: The film's smooth surface and printability make it an ideal substrate for high-quality printing and labeling applications, including labels for bottles, stickers, and graphics.
• Solar panels: Biaxially oriented polypropylene film is also used as a backsheet material in solar panels. Its excellent moisture barrier and UV resistance protect the sensitive solar cells and extend their lifespan.

biaxially oriented polypropylene film with the HS Code 99022575 is a versatile material that finds extensive use in various industries, particularly in the production of capacitors. Its unique combination of properties, including high dielectric strength, low dielectric loss, excellent insulation, and thermal resistance, ensures the reliable and efficient performance of capacitors. Additionally, this film has applications in flexible packaging, electrical insulation, printing, labeling, and solar panels, further highlighting its versatility and importance in modern manufacturing processes.