Moisture Resistant 300um Polyester Film: Reliable Performance in Humid Environments

Moisture Resistant 300um Polyester Film: Reliable Performance in Humid Environments

300um polyester film is an innovative material with superior properties suitable for many different applications. Its resilience allows it to protect products that require long-term care while serving as an effective barrier. From transport, storage and use all the way up to industrial operations this material has proven its resilience against extreme conditions and ensured product integrity and quality throughout its service life.

Get A Quote

Technological Innovation

Dr. Duan Min has built up a professional R&D team within his company, established an engineering technology R&D center, and developed close technical cooperation with domestic well-known research institutes. Over time, many technologies and products created by Dr. Duan Min have reached leading levels within their respective industries with numerous patents for technology or invention being granted along with fully independent intellectual property rights.

Quality Management

The company has formulated the quality policy of "based on innovation, scientific development; continuous improvement, customer satisfaction", and strictly implements the ISO 9001:2015 quality management system to continuously ensure and improve product quality, continuously meet customer expectations and needs, and strive to make every Customers are satisfied.

High Standard Workshop

The company has two production plants equipped with high-standard purification workshops and customized production facilities, creating a complete upstream and downstream supply chain.

We Have The Best Solutions for Your Business


Kingpont was established in 2014 and located in Chengnan High-tech Innovation Park, Economic Development Zone, Xiangshan County, Ningbo City. It covers an area of about 100 acres which is a high-tech industry of functional membrane new materials in a strategic emerging industry. We focus on solar back base film, optical base film membrane special function and high added value products research, production and sales. A team engaged in BOPET research, production and management for many years, with strong technical innovation and new product development capabilities. Kingpont also absorb advanced equipment and technology, won the trust and praise of the majority of customers with excellent quality and service. We seek to replace imported products in high-ended BOPET segment market. Kingpont also has 13 patents, including 5 inventions and 8 utility models.

Learn More

Polyester Film Protection of your Products for Longer

This 300um polyester film offers outstanding durability and can provide long-term and reliable protection for your products during transport, storage and use. Able to withstand various environmental conditions while protecting product integrity and quality, the 300um film serves as a barrier material that provides long-term product integrity protection.

Moisture Protection: Dependable 300um Mylar Material for Moisture Resistance

300um polyester film boasts exceptional moisture-proof properties and can withstand humid environments with relative ease, offering reliable moisture protection even under conditions with high levels of humidity. Ideal for products used in wet conditions.

Multiple applications: flexible and versatile 300um polyester film is multifunctional in use

300um polyester film is highly flexible and ideal for many different uses, from packaging, labels, cover film and more. From packaging and labels to cover film applications and more - 300um polyester offers excellent performance with versatile solutions that easily conform to various surfaces or curves while being easy to process and apply - making it suitable for numerous industries.

Chemical Protection: 300um Polyester film provides excellent chemical resistance.

This 300um polyester film offers exceptional chemical resistance, withstanding erosion by various chemical substances in any application that necessitates chemical resistance. From chemical industries and industries, to other applications requiring resistance against chemical attack such as pharmaceutical products or solvents and oils. Furthermore, its resistance is ensured against solvents, oils and acids/bases providing product safety and durability.

Frequently Asked Question

Do you have any question?

The key features of 300um polyester film include its durability, flexibility, excellent dimensional stability, and resistance to moisture and chemicals.

Yes, 300um polyester film is well-suited for outdoor applications due to its weather resistance, UV stability, and ability to withstand harsh environmental conditions

Yes, 300um polyester film is compatible with both inkjet and laser printers, allowing you to easily print high-quality images, text, or designs onto the film.

The thickness of 300um polyester film falls within the medium range, offering a good balance between flexibility and strength. It is thicker than some thinner films but thinner than heavier gauge options.

300um polyester film finds applications in various industries, such as packaging, labels, graphics, electrical insulation, overlays, and industrial applications where its strength, durability, and versatility are highly valued.

Get In Touch

Don't hesitate to contact with us

Sending your message. Please wait...