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Sand Paper grits

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nicktodd

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Twice in the last two week, I ordered sanding belts online in the 320 to 800 grits. The first order I received a mixture of CAMI(us - ie 320) and ISO/FEPA (ie P320) Grit designations. When I called to complained they offered a full refund and said it was they same belts they used. Nuf said, Got my refund and won't order from them again.

Ordered from another supplier, received all ISO (ie P320) belts. Neither web site referenced ISO/FEPA (ie P320) grits.

Is this a common problem?

Does placing a phone order resolve the problem?

Thanks..
 
Well, if you get down to the nitty-gritty, they are not identical, but most of the time the difference is not worth an abrasive confrontation with the seller when it involves sanding wood.

Don't mean to scuff you the wrong way, but if the online information wasn't absolutely clear and you made an assumption then it seems to me that they shouldn't be blamed for not correctly reading your mind. However, I believe that you do have a legitimate complaint if they interchangeably use papers using only the grit number and ignoring the actual difference.

Of course, ordering by phone allows you the opportunity to clarify any uncertainties. If they can't answer your question, that is almost as good as when they can because at least you will know that you need to continue shopping.
 
Bill,
Looking from your point, If you don't ask, you could expect either standard. ok, I think.

180 & 200 are the same grit in either standard. The p800 is equal to 600 grit, which, i think is enough to be dissatisfied with. The first vendor didn't disagree that there was a difference, but It didn't matter to them. With the refund the transaction was quite smooth.

So my question is still, have others had the same issues when ordering abrasive?

P.S. I have not named the vendors, as the first offered a full refund and the second has not had a chance to reply.



Bill Boehme said:
Well, if you get down to the nitty-gritty, they are not identical, but most of the time the difference is not worth an abrasive confrontation with the seller when it involves sanding wood.

Don't mean to scuff you the wrong way, but if the online information wasn't absolutely clear and you made an assumption then it seems to me that they shouldn't be blamed for not correctly reading your mind. However, I believe that you do have a legitimate complaint if they interchangeably use papers using only the grit number and ignoring the actual difference.

Of course, ordering by phone allows you the opportunity to clarify any uncertainties. If they can't answer your question, that is almost as good as when they can because at least you will know that you need to continue shopping.
Click to expand...
 
If there is a source of cross-reference to the two standards of grits, I'd appreciate a link.......thanks.

I suppose there might be some conflict between the two, but I've never really experienced any. To be honest, I've never really given it much thought.

99 percent of my sanding is done with powerlock discs, along with 3x and Finkat sheet sandpaper. I've been using the 3x for somewhere around 25 years, and have added the Finkat about 10, or so, years ago. Without going out to the shop and checking, I believe the 3x is Canadian and the Finkat is Japanese.......so, I'm probably using the ISO standards for both. The Powerlock discs are Merit, I think........don't know for sure where they are made, or what standard they use.

Interesting thought here........but, I've never seen any drawbacks to the two standards......That is, IF I'm using a mix of both.......and, at this point, I don't really know, one way or the other......😕

In my case, Ignorance is bliss.......or, so the saying goes!

ooc
 
Last edited:
odie said:
Interesting thought here........but, I've never seen any drawbacks to the two standards......That is, IF I'm using a mix of both.......and, at this point, I don't really know, one way or the other......😕

In my case, Ignorance is bliss.......or, so the saying goes!

ooc
Click to expand...

But sloth with search engines is rewarded. http://www.thesandpaperman.com.au/abrasive-conversion-chart.html

Doesn't seem like a big deal to me. You sand from coarse to fine until the surface pleases. Not as if the numbers reduce the scratches, after all. Only complaint I would have is with those who insist others should sand to XXX by numbers, unrelated to standards. Doesn't affect me, but impressionable folks who follow the advice of "name" turners aren't getting good information.
 
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