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      WSB-3A intelligent digital whiteness meter
      
                    
      
                        
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      Applicable scope
      
                            
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	Used for the determination of whiteness and optical properties of textiles, silk, paper, paint, cotton fiber, ceramic building materials and daily chemical materials. 

      
                    
      
                    
      
                        
      
	GB/T 8424.2-2001 Standard Test Method for color fastness of Textiles - Test Method for relative whiteness 

      

      
	ISO 2469  JJG 512/48 

      
                    
      
                    
      
                        
                    
      
                    
      
                        
                    
      
                
      
            
      
        
      
    
      

      


  
      



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