replication tape(Two units called "Wheelabrators" create a "near white" Nace #2 surface cleanness. Each wheelabrator has two 100 horsepower cleaning wheels in which a combination of S-330 shot, GL-18, GL-25 and GH-18 grit are used to create a surface profile of 2 to 4 mils. The surface profile creates a substrate to which a coating can mechanically adhere. The created profile is then measured with Textex Press-O-Film replication tape and a dial micrometer. Kenny Gray)
