Scotch-Brite 21544Click To Copy XT Pro Series Clean and Strip Extra Cut Disc, 3 in Dia, Extra Coarse Grade, 15000 rpm, Green

Scotch-Brite™ Roloc™ clean and strip XT Pro extra cut disc features aluminum oxide abrasive mineral incorporated into an open nylon web. It is designed to remove heavy rust, thick paint and corrosion while also scratching the base material underneath, which can save you time. The highly conformable, high strength fibers resist chunking and loading and they perform well on edges.
* Faster * Stronger * Smoother 3M Scotch-Brite Roloc Clean & Strip XT Pro Extra Cut non-woven quick change TR disc uses aluminum oxide as the abrasive material and has a diameter of 3 in. Since this product is non-woven, grade is generally used to describe the abrasiveness; with the 21544 having an extra coarse grade. All abrasive products that rotate or spin, such as the ones in this category, have a maximum speed at which you can run them. This 3M quick change disc can be run at a maximum speed of 15000 RPMs.
Specifications:

3M Number: 21544

Abrasive Type: Non-Woven

Series: XT Pro Extra Cut

Specification parameters description:

Abrasive Material:
Values: A/O Aluminum Oxide AO A/Z Alumina Zirconia AZ S/C Silicon Carbide SC Alumina Zirconia Aluminum Oxide Aluminum oxide is an artificial abrasive suited for general purpose stock removal and finishing. It is the mostly commonly used abrasive and can be used for most steels and ferrous alloys. Aluminum oxide is slightly softer but tougher than silicon carbide. Ceramic Ceramic is used for aggressive cutting and grinding of stainless steel, titanium, and metal alloys. The abrasive grain is designed to fracture during use so that it maintains sharpness. Ceramic Aluminum Oxide Diamond Diamond can be either natural or manufactured and is one of the hardest abrasive materials. It is commonly used for grinding and polishing stone and very hard steels, and for sharpening other cutting tools. Felt Silicon Carbide Silicon carbide is a manufactured material that is extremely hard but brittle. It is commonly used for fast cutting under light pressure, particularly on cast iron, nonferrous metals, and materials such as glass and plastic. Zirconia Zirconium
Grade:
Grade is a measurement of the size of abrasive particles embedded in coated abrasives. It is a more general measurement of the level of precision, and corresponds roughly to grit. A smaller grit number means larger particles and a coarser grade, while high number grits are used for finer work.
Maximum RPM:
The maximum rotations per minute (RPM) a product is designed to be used at should be respected for the sake of safety and use life. Maximum RPM is provided for all product listings where applicable and is often printed on the item in the case of discs and wheels. Operating a wheel above its maximum recommended speed can cause a wheel to crack or even shatter.
Quick Change Type:
Quick change attachments allow discs to be switched easily while providing a more stable grip than hook and loop or PSA attachments. Quick change discs are designed to fit disc holders with one of these main types: Type I (Type P or TP) - snap on/off Type II (Type TS, TSM, or S) - female threaded twist on/off Type III (TR or R) - male threaded roll on/off TN - Disc has its own 5/8-11 inch threaded mounting nut and can be mounted directly on a tool with the proper backup accessory