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            Nontoxic plastic additive series 

            



            Product name: Sodium stearate
            


            English name: Sodium stearate
            


            CAS NO. 822-16-2
            


            Molecular formula: CH3(CH2)16COONa
            


            Properties: white powder, soluble in hot water and ethyl alcohol
            


            Main uses
            


            It is widley used in food, medical, cosmetics, plastic, metal processing and metal cutting field as emulsifying agent, dispersing agent, lubricating agent, surface treatment agent and corrosion inhibitor.
            


            Quality standard
            


             
            


            
	
		
            
			
			
            Testing item 
            
			            		
			
			
            Testing standard
            
			            		
		
            
		
            
			
			
            acid value
            
			            		
			
			
            196~211
            
			            		
		
            
		
            
			
			
            iodine value
            
			            		
			
			
            ≤1.0
            
			            		
		
            
		
            
			
			
            free acid, %
            
			            		
			
			
            0.28~1.2
            
			            		
		
            
		
            
			
			
            *loss on drying, %
            
			            		
			
			
            ≤5.0%
            
			            		
		
            
		
            
			
			
            content, %
            
			            		
			
			
            ≥99.5%
            
			            		
		
            
		
            
			
			
            *decomposition point, ℃
            
			            		
			
			
            ≥200
            
			            		
		
            
		
            
			
			
            *fineness, %
            
			            		
			
			
            200 mesh ≥99.0%
            
			            		
		
            
	            

            


             
            


            Packaging:   woven bag lined with high pressure PE film; 25kg/bag or follow customer's packaging instruction
            
 
            

            
                 
				  
            
				
				
				
				
				
				
				  
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