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                PRODUCTS DETAILS
                
                
                
                	
                
                    	
                
                    	
                
                        
                
                        	
                Name:FUMED SILICA 200
                
							
                CAS:7631-86-9
                
                            
                
							
                

                

                
	
		
                
			
				
                
					Item 
				
                
			                		
			
				
                
					A-200 
				
                
			                		
		
                
		
                
			
				
                
					Appearance 
				
                
			                		
			
				
                
					White solid colloidal micro-particle 
				
                
			                		
		
                
		
                
			
				
                
					SiO2% ≥ 
				
                
			                		
			
				
                
					99.8 
				
                
			                		
		
                
		
                
			
				
                
					Specific Surface area m2/g 
				
                
			                		
			
				
                
					200±25 
				
                
			                		
		
                
		
                
			
				
                
					PH value 
				
                
			                		
			
				
                
					3.6-4.3 
				
                
			                		
		
                
		
                
			
				
                
					Heating loss weight% (m/m)≤ 
				
                
			                		
			
				
                
					2.0 
				
                
			                		
		
                
		
                
			
				
                
					Burning loss weight% (m/m) ≤ 
				
                
			                		
			
				
                
					2.0 
				
                
			                		
		
                
		
                
			
				
                
					Apparent density g/L 
				
                
			                		
			
				
                
					30-60 
				
                
			                		
		
                
	                

                

                
	 A-200: used widely in sealing ring, sealing gasket, petroleum pipeline, insulator, tablet powdered preparation, artificial viscera, infusion tube, latex nipple and high quality oil ink.
                
Characteristic:                  

                

                
	 It is a white and colloidal micro-particle with its primary micro-particle from 5-40nm and has obvious properties such as thixotropy, reinforcing, thickening and filling etc. and is insoluble in all kinds of solvents and liquids except hydrofluoric acid and concentrated bases. 

                

                
	 Uses: 

                

                
	 It is used widely silicon rubber, construction sealant, coating, electron and electric, aerospace, medicine and medical material, resin processing, printing ink, pesticide and other industries. 

                

                
	 Packing: 

                

                
	 Packed with multi-layer paper plastic compound bag with net weight of 5kgs or 10kgs, or packed by whole plastic seal for users having special demand on water content. 

                

                
	 Store and transport: placed in vent and dry storehouse and prevented from humid, water, pressure and throwing during transport. 

                
							
                
                            
                        
                
                    
                
                
                
            
                
			

			
			
        
                
    
                

                





	
                
    	
                
                	
                
					
                
                    	
                


                
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