Resin Furniture for Commercial Use: Durability Meets Style
https://www.scribd.com/document/1005516392/The-Role-of-Nardi-Adirondack-Furniture-in-Modern-Outdoor-Living-186033
The core material fundamentally consists of usually a high-grade plastic, usually polypropylene or dense polyethylene, although professional commercial producers keep secret their custom blends the way beverage firms hide their blends