Lapping compound alternative

[TimsA]

Has anyone ever used blasting media for lapping compound? I want to know if I can use 80 grit aluminum oxide blasting media for 80 grit lapping compound? or are they different animals?

Thanks,
Tim

 

[alg]

No ,never used it but have used toothpaste.

 

[Bob]

WHAT are we lapping, valve seats?

 

[TimsA]

Im back lapping the blades on a Locke reel mower.

Thanks