In terms of aggressiveness and durability
Part # 7000120007 Sold in qty's of 10 Color Green Grit 40 Length 16-1/2 Inch Width 2-3/4 Inch Line Green Corps Material Green Corps Country of origin USA Product type File Sheet Shape Strip
Part # 78141 Sold in qty's of 10 Application Grinding Arbor 5/8 Inch - 11 Diameter 6 Inch Grit 120 Line Ovation Max RPM 10 200 Abrasive grain Zirconia Alumina Product type Depressed Centre
so there is no need to clean the surface before welding or applying a surface coating
resin-reinforced nylon fiber with abrasive grain
3M AM39496 ~ Diamond Microfinishing Belt 675L Grade 45M 11 in x 28 in Material_431Q In terms of aggressiveness and3M Diamond Microfinishing Film Sheet, 675L, 45 micron, 11 in x 28 in (279. 4 mm x 711. 2 mm) Designed with a strong polyester film backing and sharp diamond mineral, the 3M Diamond Microfinishing Film Sheet 675L delivers fine finishes on hard metals like thermal spray coating, ceramics, carbides, chilled iron, and granite. Part # 7000139496 Sold in qty's of 2 Backing Film Backing material Polyester Film Length 28 Inch Width 11 Inch Material 675L