Grit and garnet
Grit and garnet
(OP)
Can anyone tell me the difference between garnet and grit in terms of:
1) surface preparation efficiency
2) which one is more environmental friendly?
1) surface preparation efficiency
2) which one is more environmental friendly?
RE: Grit and garnet
Garnet for abrasive purposes is a crushed gemstone, Silica sand has a hardness on the Mohs scale of about 7 while Garnet is a little harder at 7.5 to 8.5 .
By its nature Garnet is more expensive than sand, and it is preferential that it be used in equipment with recycling capability where it can be used about 5 to 7 times. Sand is most often used as a single pass blasting operation. In practice Garnet will clean faster, but that has to be offset against its higher cost of about 0.31cents per pound versus about .09 cents per pound for sand .
B.E.
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