Pearl cotton bags can be covered with films of various materials, including the following:

• PE film: also known as polyethylene film, has good moisture-proof and waterproof properties, which can enhance the protective effect of pearl cotton bags while maintaining softness, making the bags more durable.
  

Scope of application——Electronic and electrical industry: Pearl cotton bags coated with PE film can effectively prevent static electricity and water vapor from damaging electronic components and electrical equipment, provide good buffering protection, and reduce vibration and impact during transportation.

——Daily necessities industry: used for packaging various types of bottles, jars, glass products and other daily necessities, which can protect items from collision damage and prevent surface scratches.

• Aluminum plated film: This film has excellent thermal insulation and reflective properties. When applied to pearl cotton bags, it can effectively block heat transfer, provide thermal insulation, and enhance the appearance and texture of the bags.
  

Scope of application - Food industry: Aluminum plated film has good thermal insulation properties, which can help maintain the freshness and taste of food, reduce the impact of external temperature changes on food, and improve the aesthetics of packaging, attracting consumers.
——Cosmetics industry: It can effectively block ultraviolet rays, prevent ingredients in cosmetics from deteriorating due to light exposure, and its reflective properties make packaging more sensitive, meeting the dual requirements of the cosmetics industry for packaging aesthetics and product protection.

• Pearl cotton coated aluminum film: Aluminum foil film has good barrier properties, which can prevent moisture, light, and oxidation, protect the items inside the bag from external environmental influences, and extend its service life.

Scope of application——Pharmaceutical industry: The excellent barrier properties of aluminum foil film can prevent moisture and oxidation, ensuring stable quality of drugs within their expiration date, preventing drugs from getting damp and deteriorating, and extending the shelf life of drugs.

——Precision instrument industry: It can provide comprehensive protection for precision instruments, preventing external pollutants such as water vapor and dust from entering. At the same time, the cushioning performance of pearl cotton can prevent instruments from being damaged due to vibration during transportation