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        Patented productYour position：Home > R & D center > Patented product

        

        


        



        
        
        
           

        
                  
				    
        
                        Four layer composite high strength corrugated board
                    
        
                    
                    
        
                      
                    
        
					
					
        
                      
        
				
                   
					
					
        
                      
        
						
        
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        National invention patent to accept no. 201410018818.6
        

        Main features: marginal pressure strength was 1.40 times of A German mark, puncture strength is 1.33 times of A mark in Germany, burst strength is 1.35 times of A mark in Germany, and all the indexes were all more than the American standard, satisfy the single corrugated blockbuster carton export transportation requirement in our country.
        

        Application: apply to single tile four composite corrugated board can replace part of the double corrugated cardboard.
        		
                    
        
					
        
                      
        
                  
        			
        		
        
        
      
        			




        

        	  
        		


        

        

        


        
 
        
    
	
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