Quiz: What is the primary difference between open-coat and closed- December 10, 2024 by Sander Johnson What is the primary difference between open-coat and closed-coat sandpaper? Discover more about Sanders and Sanding at our home page. A) Open-coat sandpaper has less abrasive material on its surface while closed-coat sandpaper has more. B) Open-coat sandpaper is designed for metal, while closed-coat sandpaper is designed for wood. C) Open-coat sandpaper is less expensive than closed-coat sandpaper. D) Open-coat sandpaper is softer, while closed-coat sandpaper is harder. Submit Answer
