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-   -   Difference between Laticrete Multipurpose & Laticrete Spectraset? (http://www.johnbridge.com/vbulletin/showthread.php?t=68987)

thefed17 12-15-2008 08:10 PM

Difference between Laticrete Multipurpose & Laticrete Spectraset?
 
The only difference I see based on the bags is that Spectraset is a "premium' modified mortar....and it cost $28 a bag vs. $12.


I'm using this on floor over hardibacker, 12x12 porcelain. I've seen the comment that Spectraset works well on porcelain....why so?

Brian in San Diego 12-15-2008 08:27 PM

Jason,

Because of the additives added to the mortar that give it better adhesion qualities.

Brian

Davy 12-15-2008 08:43 PM

Looking at the data sheets, there isn't much difference in their uses. The Spectraset has a stronger shear strength on porcelain. 340-370 psi to 250-300psi for the Multipurpose.

The Latacrete ad to the right has all that info. :)

thefed17 12-15-2008 08:48 PM

and the shear strength would mean.....

???

The Kid 12-15-2008 08:55 PM

Shear strengh would be in plane movement in relation to the substrate. I would use the higher modified with the porcelin, which is known to have problematic bonding issues. :tup1:


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