In the field of materials, #MYLAR and PET film areboth dazzling existences. They originate from the samebasic material – polyethylene terephthalate, but with their unique advantages, they have demonstratedextraordinary value in different application scenarios.Next, we will delve into the differences between the two.Essential Differences: Establishing a Unique Advantage Foundation
Polyester film (PET film) is a general term for basic
materials, covering all biaxi ally oriented polyester films (BOPET). It h as the characteristics of high transparency,super toughness, excellent temperature resistance (-70 ℃~150 ℃), and outstanding insulation. These features make it an ideal choice for general packaging, screen protectors, labels, and other fields, and the price is affordable, which can well meet various general needs.MYLAR, on the other hand, is a functional variant of polyester film that has undergone special processing，techniques such as high temperature resistance,aluminum plating, and composite coatings, resulting in
even stronger performance. For example, high-temperature resistant Maillard film can achieve a maximum temperature resistance of over 200 ℃ through modification processes, making it suitable for high-temperature insulation scenarios; Aluminum foil MYLAR combines PET film with aluminum foil, combining，electromagnetic shielding and oxygen blocking properties, with advantages far beyond ordinary polyester film.Core feature comparison: showcasing differences in all aspects，Temperature resistance，The temperature resistance range of polyester film base type is -70 ℃~150 ℃, while MYLAR (high temperature，resistant MYLAR ) can withstand temperatures above
200 ℃ . Obviously, under high temperature conditions, the performance of Mylar far exceeds that of ordinary polyester film.
Function enhancement
Polyester film mainly has basic functions such as insulation, packaging, and printing. In contrast, MYLAR has enhanced functions such as electromagnetic，shielding (aluminum foil Mylar), high-temperatureinsulation, moisture and oxygen resistance, which can provide stronger support for special application scenarios.Structural formPolyester film is a single-layer film with a customizable thickness range of 0.012mm~0.35mm. Mel a is often a composite structure, such as aluminum foil+PET, which is more stable and has superior performance.Application scenarios，Polyester film is widely used in various fields such astransparent packaging materials (such as food and medicine), screen protectors, printing substrates,
capacitor dielectrics, and card protectors. Mylar plays an important role in high-end fields such as motor winding insulation, cable shielding, and high-temperature electronic components. For example, high-temperature resistant Mylar is used for insulation of transformer coils and motor s lots; Aluminum foil Mylar is used for high-frequency cable shielding and moisture-proof filling; Black/frosted Mylar is used for blackout films, anti- counterfeiting labels, etc.
Comprehensive value analysis: each has its own advantages
From a typical application perspective, polyester film has become the preferred material for general fields such as transparent packaging and screen protectors due to its high cost-effectiveness. And with its powerful functions, Mylar stands out in special fields such as hightemperature and electromagnetic shielding, providing reliable support for high-end manufacturing. In terms of cost and customization, polyester film has a lower price and is suitable for large-scale universal demand; Although Mylar has higher costs due to its special craftsmanship, it can be customized according to its functions and provide customers with personalized solutions.Conclusion: Provide appropriate solutions，Whether you are pursuing a universal demand for high cost-effectiveness or a special application that requires high performance, we can provide you with the mostsuitable material solutions. Contact us immediately to empower your products with Mylar and polyester film, and embark on a new chapter of development!
