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pozzolan

http://resource.geosciml.org/classifier/cgi/commodity-code/pozzolan

definition Pozzolan is a siliceous or siliceous and aluminous material which will react chemically with calcium hydroxide to form compounds possessing cementitious properties (ASTM C618). The broad definition of a pozzolan imparts no bearing on the origin of the material, only on its capability of reacting with calcium hydroxide and water.... The general definition of a pozzolan embraces a large number of materials which vary widely in terms of origin, composition and properties. more like this
notation
01.01.04.06 more like this
Pozz more like this
source http://en.wikipedia.org/wiki/Pozzolan more like this
type
Resource original
Concept original
broader
http://resource.geosciml.org/classifier/cgi/commodity-code/industrial-rock original
narrower pozzolan original
in scheme commodity-code original
is primary topic of pozzolan