What type of plastic is a car bumper made of?

Car bumpers are typically made from various types of plastic, with the most common being acrylonitrile butadiene styrene (ABS) and polypropylene (PP). ABS is favored for its strength and impact resistance, while polypropylene offers flexibility and is lightweight. Some bumpers may also incorporate other materials like polyurethane or thermoplastic elastomers for added durability and performance.