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We are pleased to re-release PHA filament under our Ambrosia Brand in partnership with ecogenesis bipolymers genPHA®. This filament is MADE IN THE USA! PHA is a biopolymer made from natural materials. It looks, feels, and works just like plastic — but unlike other plastics it’s environmentally safe and leaves zero microplastics behind.  Our genPHA® filament formula, developed by ecogenesis biopolymers,  improves mechanical properties so there’s no need to compromise between quality and sustainability. Now makers can get high-quality precision prints that are smooth, consistent, and eco-friendly every time. Here are the reasons genPHA® is a great alternative to PLA and other plastic filaments when it comes to 3D printing. Recyclable, compostable, and biodegradable: Our genPHA® filament is recyclable, compostable, and biodegradable under all conditions. This means that it can be safely placed in a home compost bin along with food and waste. And even in the worst-case scenario, if it ends up in landfills or our oceans, it will naturally biodegrade.  Quality Performance: Improved bed and layer adhesion and overhang, while decreasing die swelling, ensuring more accurate and consistent prints. Easy to use:  Clog-free, bubble-free formula with low warpage and shrinkage, guaranteeing smooth prints for every project. While this filament is not suitable for food contact, it is phthalate-free, BPA-free and is CPSIA compliant. There are no chemicals contained in our PHA listed under California's Prop 65! (as of 9/24/2025). Want to learn more, check out Wikipedia . Specifications See TDS for more details .   Recommended Printer Setup • Extrusion temperature: 195±10 • Print Fan: On (100% after 1st layer) • Bed temperature: off (0°C) • Bed Addition: PVOH Glue • Brim Width: 10-15mm • Brim Separation Gap: 0mm • Printing speed: 20~30 mm/s • Dryer: Material is h ygroscopic but at low percentage (0.03%). Will dry very quickly if necessary. Check out our other lines of Ambrosia Filament! ASA ASA-CF ASA Sparkle ASA Dolos ABS+ PETG PLA   PLA Dolos PC-ABS PC-CF TPU ABS Matte ASA-GF PLA-SILK PHA PPS-CF