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2. W. R. Grace and Company - Wikipedia

   en.wikipedia.org/wiki/W._R._Grace_and_Company

   W. R. Grace and Co. is an American chemical business based in Columbia, Maryland. It produces specialty chemicals and specialty materials in two divisions: ...

3. Grace Acquires Waterproofing Technology and Capacity in Australia

   www.aol.com/2013/04/03/grace-acquires...

   Grace Acquires Waterproofing Technology and Capacity in Australia COLUMBIA, Md.--(BUSINESS WIRE)-- W. R. Grace & Co. (NYS: GRA) announced the acquisition of Chemind Construction Products, a ...

4. Water reducer - Wikipedia

   en.wikipedia.org/wiki/Water_reducer

   Water reducers are special chemical products added to a concrete mixture before it is poured. They are from the same family of products as retarders.The first class of water reducers was the lignosulfonates which has been used since the 1930s.

5. Superplasticizer - Wikipedia

   en.wikipedia.org/wiki/Superplasticizer

   Their addition allows to decrease the water-to-cement ratio of concrete or mortar without negatively affecting the workability of the mixture. It enables the production of self-consolidating concrete and high-performance concrete. The water–cement ratio is the main factor determining the concrete strength and its durability. Superplasticizers ...

6. Bankrupt W.R. Grace is Thriving and Here's Why - AOL

   www.aol.com/news/2013-06-18-wr-grace-bankrupt...

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7. 1 Reason to Expect Big Things from W.R. Grace - AOL

   www.aol.com/news/2013-06-26-1-reason-to-expect...

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