In the aforementioned parent patent applications the present inventors have found that once it is ground to a powder of suitable fineness, the glass fiber waste discussed above can effectively function as a reactive pozzolanic admixture for {HEAD ~ use} in {TAIL ~ portland cement based building materials} and products, such as concrete, mortars and grouts 
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In the aforementioned parent patent applications the present inventors have found that once it is ground to a powder of suitable fineness , the glass fiber waste discussed above can effectively function as a reactive pozzolanic admixture for { HEAD ~ use } in { TAIL ~ portland cement based building materials } and products , such as concrete , mortars and grouts
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH