The Allure of Adirondack-Style Resin Chairs
https://www.scribd.com/document/986488161/Nardi-Adirondack-Furniture-Perfect-for-Year-Round-Enjoyment-148532
The core material in essence is typically a premium plastic, most commonly polypropylene or heavy-duty polyethylene, even if reputable institutional makers protect their unique formulas much like soft drink giants safeguard their recipes