If you work with plastics in any kind of fabrication shop, you already know HDPE sheets are one of those materials that keep showing up on job lists. Tough, chemical-resistant, and surprisingly versatile — but it can be a bit tricky if you don’t have the right approach. I’ve spent years in the shop cutting, welding, and machining all sorts of plastics, and HDPE has become one of my favorites once you learn its quirks. Understanding HDPE Before You Start High-Density Polyethyl