All abrasive MFG's have proper storage and shelf life of there products. Temp and humidity of storage area is crucial to disc life. I would NEVER use a disc that old. Not only due you have think if the discs have been properly store, but also the materials used and newer standards for safety and...
All abrasive MFG's have proper storage and shelf life of there products. Temp and humidity of storage area is crucial to disc life. I would NEVER use a disc that old. Not only due you have think if the discs have been properly store, but also the materials used and newer standards for safety and...