![]() ![]() Normally, you would start your project with heavy grit sandpaper (like 40 or 80 grit) to do the roughest work first. When you are using hook and loop in a shop, you can change sandpaper grits easily. Because it is so simple and durable, it is a great way to attach your sandpaper to your sander pad. Hook and loop is the more common type of pad. You can put the two sides together many times without sacrificing performance. The beauty of this system is that it is simple, durable, and reusable. When you put them together, the hooks fasten around the loops and they stick together easily. One side is covered with hooks, and the other side is covered with loops. Hook and loop is the common non-trademark name for Velcro. If your application does not require you to change grits often, this is a great format. If you take off the disc, and even a little bit of dirt or sawdust gets on the adhesive coating, it will not stick to the pad well. It is tough to switch between sandpaper discs without making the disc useless. It does have one major drawback, however. This type of sander pad tends to be less expensive than hook and loop pads. You peel the label off the sandpaper, stick it on to the pad use it. The sandpaper has an adhesive coating just like a sticker that adheres to the pad. PSA or “pressure sensitive adhesive” is the sticky type of sandpaper. ![]() We are often asked the question, “What is the difference between the two, and which one is right for my application?” There are two main types of sander pads for random orbit sanders. Repair Parts Home Other Links Repair Center Hook and Loop (Velcro) vs. ![]()
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