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          MB0540 paint pencil scratch hardness tester 
          
                    
          
                        
          Video
          
                        
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          Applicable scope
          
                            
          Test principles and standards
          
                            
          Instrument characteristics
          
                            
          Configuration list
          
                
          
                
          
                    
          
                        
          
	1. The resistance of the surface of the coating to an object with greater hardness on the surface of the coating is to determine the coating film. 
          
  2. The ability to resist deformation. 
          
  3. It is marked with a pencil mark. 
          
  4. It is suitable for the test of coating hardness.  

          
                    
          
                    
          
                        
          
	GB/T 6739-1996 

          
                    
          
                    
          
                        
                    
          
                    
          
                        
                    
          
                
          
            
          
        
          
    
          

          


  
          



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