Alox (Aluminium Oxide) is the most common type of abrasive. It is an excellent starting point for most applications. It is the ideal solution when you want the ability to resist fracturing and medium aggressiveness. It is durable, with resistant cutting edges, showing continuous wear.
JJ and J cloths are light and flexible fabrics used when surface finishing and uniformity are more important than material removal. They are ideal for finishes where flexibility and conformity are essential, such as contour work, especially on curved surfaces. JJ and J cloths are usually made of cotton, but they are also available in a blend (polyester/cotton) when you want to give them more mechanical strength.
The indicated grits are the most common for the operations in question, but they do not exhaust all available alternatives. We will be happy to help you find the best solution for your case.
The indicated dimensions are merely illustrative and are common in the industry. OTA does not list them, as it uses an MTO system tailored to the needs of each client.