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PET vs PETG: Performance Comparison and Application Guide
2025.10.27
1. PET vs. PETG: The Essential Differences Between Two Common Polyester Plastics Among the polyester plastic family, PET (polyethylene terephthalate) and PETG (copolymer-modified PET) are two extremely versatile materials. Despite their similar names, structural differences determine their distinct processing methods, performance, and applications. 2. Structural and Morphological Differences Category PET PETGMolecular Structure Linear polyeste...
PA6 vs POM: Plastic Comparison & Selection Guide | Juyuan
2025.10.24
I. Introduction In the world of engineering plastics, PA6 (nylon 6) and POM (polyoxymethylene) often appear in the same design list. Both possess excellent mechanical properties and processing adaptability, making them popular choices for mechanical parts, automotive components and precision gears. However, due to the different performance emphases, engineers often find themselves in a dilemma when making a selection: Should they choose PA6 or POM?This article will provide you ...
Understanding Plastic Bottle Bottom Labels: The True Meaning Behind the Triangle Arrow Numbers
2025.10.23
1. Why Do Plastic Bottles Have a "Triangle, Arrow, and Number" Logo on Their Bottom? When you pick up a bottle of mineral water, shampoo or detergent and turn it over at the bottom, you can see a triangle composed of three arrows, with numbers or letters printed inside. This is not decoration but the internationally recognized Resin Identification Code (RIC).The RIC coding was first established by the American Plastics Industry Association (SPI) in 1988 and is currently implem...
A Single Pellet Can Change Your Bottle Cap Factory’s Profit Margin
2025.10.21
1. The Upgrade Logic of the Bottle Cap Industry: From "Being Able to Make" to "Making It Well" The bottle cap, though seemingly a small component, is a critical link in the entire packaging system.It not only determines sealing, pressure resistance, and appearance, but also impacts filling line efficiency, transportation stability, and consumer experience.After 2025, the bottle cap industry is undergoing three major changes: ・Equal emphasis on lightweighting and high ...

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