Talk:Pozzolan

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[edit] External links

Question validity of external link to Engelhard MetaMax® because of its commercial nature... See also discussion on metakaolin. --Zuejay 04:28, 6 February 2007 (UTC)

If the page linked to in the ref is primarily informational about the general product, even as part of a website whose main purpose is to sell a particular product, it's ok. If the page is primarily about the specific brand, or exists more to sell than inform, the link should go. Argyriou (talk) 18:43, 6 February 2007 (UTC)

[edit] PBFC

I don't think slag should be listed here. It's described by the theoreticians as a "latent hydraulic material" rather than a pozzolan: the action of lime on it is more in the nature of a catalyst than a reactant. The same goes for Hi-Calcium Class C Ash. . . .LinguisticDemographer 20:44, 18 May 2007 (UTC)