Polyester vs polypropylene filter bags. Mar 8, 2021 ยท Today we are exploring the differences between Polyester vs Polypropylene filter bags, and which could be a better fit for your application. In contrast, polypropylene's lower cost makes it an attractive option for applications where budget constraints are a factor. Polyester is one of the most widely used filter bag medias in the dust collection industry because of its reliable performance in a broad range of applications, relatively low cost, and availability. Polyester tends to be more expensive but offers superior filtration performance, making it a worthwhile investment for industries with stringent filtration requirements. . Here’s a detailed comparison of polyester (PET) and polypropylene (PP) filter fabrics, supported by industry insights and research: Today we are exploring the differences between Polyester vs Polypropylene filter bags. Polyester filter bags are ideal for general dust collection and moderate-temperature environments, while polypropylene filter bags excel in chemical resistance and moisture-rich applications. Selecting the right filter material depends on temperature resistance, chemical compatibility, mechanical properties, and application-specific requirements. But how do you know which one is best suited for your specific application? In this comprehensive guide, we’ll dive deep into the properties, advantages, and ideal use cases for both polyester and polypropylene filter bags to help you make an informed decision. Two of the most popular options are polyester and polypropylene filter bags.