Coarse Zirconia Corundum Grinding Disc

A Coarse Zirconia Corundum Grinding Disc is a type of abrasive tool widely used in metal processing and other industries. Here is an introduction to it: 

Characteristics 
Abrasive Material: It is made of zirconia corundum, which is a blend of zirconia and aluminum oxide. This material has a good balance between hardness and toughness. It has self - sharpening properties, and during the grinding process, the abrasive grains can break to expose new sharp edges, ensuring continuous and efficient cutting performance. 
Grit Size: Coarse - grit grinding discs typically have grit sizes ranging from 24 to 60, such as 36 - grit or 50 - grit. The larger the grit number, the finer the abrasive particles, so coarse - grit discs have relatively large particles, which can quickly remove material and are suitable for heavy - duty grinding tasks. 
Backing Material: Common backing materials include fiberglass and “X” - weight cotton. Fiberglass backing plates are strong, lightweight, and can effectively absorb vibrations during use, reducing operator fatigue and improving the stability of the grinding process. “X” - weight cotton backing also has good strength and wear - resistance. 
Bonding Technology: Usually, a resin bonding agent is used to firmly attach the zirconia corundum abrasive grains to the backing plate. This bonding method provides good heat resistance and can prevent the abrasive grains from falling off during high - speed grinding, prolonging the service life of the grinding disc.

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