Top 5 FDA-approved food-grade plastics Acrylonitrile Butadiene Styrene (ABS) ABS is an amorphous plastic created by combining acrylonitrile, butadiene, and styrene polymers. ... High-Density Polyethylene (HDPE) ... Polyetheretherketone (PEEK) ... Acrylic (PMMA) ... Polypropylene (PP) ... Serving up food-grade plastics with Fast Radius. 23 Jun 2021