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				|  Vansil W-40 |  
				
				
				
				
				
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				| Wollastonite (calcium metasilicate) |  
				
				
				
				
				
				
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				| Functional filler in adhesives, abrasives, ceramics, elastomers, insulating materials, paint, plastics, resins, sealants, and wallboards. |  
				
				
				
				
				
				
				
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				Physical State: White powder Dry Brightness, Hunter L: 90 minimum Fineness, retained on 325 mesh: 0.1% maximum Heat Loss: 1.0% maximum |  
				
				
				
				
					
						
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