Mastering Plastic Recycling: A Guide to Different Types of Plastics

Every time you pick up a plastic item, you’ll likely spot the familiar symbol of three arrows forming a loop—the universal recycling icon. This symbol often comes with a number inside it, representing the resin identification code, which categorizes the type of plastic. While the symbol evokes thoughts of environmental stewardship, suggesting that your plastic … Read more

Craft kitchen knife handles using an injection machine. Which option is better: HDPE or PP?

HDPE (High-Density Polyethylene) PP (Polypropylene) Considerations for Kitchen Knife Handles Conclusion Both HDPE and PP are good options, but HDPE might edge out slightly due to its higher strength, rigidity, and temperature resistance, which are important for kitchen knife handles. However, if flexibility and lower energy consumption during injection are priorities, PP would be the … Read more

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