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Old 08-03-2004, 02:50 PM   #1
Setter Wannabe
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Join Date: May 2004
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tile PEI hardness vs. chip resistance?

Hi all,

I am selecting floor tile to install in a kitchen and just finished reading Bud Cline's post in the liberry about PEI hardness ratings. In that post Bud says that the PEI rating has to do with "wear abrasion testing." I'm wondering if that means that the PEI rating only specifies how well the tile finish stands up to scratching and abrasions? Does the PEI rating indicate how resistant a tile is to chipping (for example if I happen to drop a full soup can on it)? Thanks for the info.

Bennett
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Old 08-03-2004, 04:28 PM   #2
Jason_Butler
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The wear abrasion is a result of the glaze durability. In general, a more durable glaze ( higher PEI) will result in a tile that is more resistant to chipping.

Jason
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Old 08-03-2004, 06:45 PM   #3
John Bridge
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Hi Bennett, Welcome aboard.

Also, chipping is related to how hard and dense the underbody of the tile is. You could have the hardest, toughest glaze in the world over a soft clay body and chipping would be a problem. So the idea is to get a good hard bodied tile with a decent PEI rating. Fortunately, most of the tiles we install these days qualify.
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