±0.2 %
 According to the size
 | 
                        ISO 10545-2 | 
                        LENGTH AND WIDTH | 
                    
                  
                  
                        | ±3 % | 
                        ISO 10545-2 | 
                        THICKNESS | 
                    
                  
                   
                        | ±0.3 % | 
                        ISO 10545-2 | 
                        RECTANGULARITY | 
                    
                  
                  
                        | ±0.3 % | 
                        ISO 10545-2 | 
                        STRAIGHTNESS OF SIDES | 
                    
                  
                   
                        | ±0.3 % | 
                        ISO 10545-2 | 
                        SURFACE FLATNESS | 
                    
                  
                  
                        | Average≤0.5 % | 
                        ISO 10545-3 | 
                        WATER ABSORPTION
 (Weight Percent)
 | 
                    
                        
                        | Min. 35 | 
                        ISO 10545-4 | 
                        MODULUS OF RUPTURE (N/mm2)
 (BENDING STRENGTH)
 | 
                    
                  
                  
                        | Min. 1500 | 
                        ISO 10545-4 | 
                        BREAKING STRENGHT (N) | 
                    
                  
                  
                        | Min. Class 2 | 
                        ISO 10545-7 | 
                        ABRASION RESISTANCE | 
                    
                  
                  
                        | In compliance with the requirements of ISO 10545-9 | 
                        ISO 10545-9 | 
                        THERMAL SHOCK RESISTANCE | 
                    
                  
                  
                        | Max. 8.4 x 10-6 (1/oC) | 
                        ISO 10545-8 | 
                        THERMAL EXPANSION COEFFICIENT 
 (From room temperature to 400 oC)
 | 
                    
                  
                  
                        | In compliance with the requirements of ISO 10545-11 | 
                        ISO 10545-11 | 
                        CRAZING RESISTANCE | 
                    
                  
                  
                        | In compliance with the requirements of ISO 10545-12 | 
                        ISO 10545-12 | 
                        FROST RESISTANCE | 
                    
                  
                  
                        | Class 3 | 
                        ISO 10545-14 | 
                        STAIN RESISTANCE | 
                    
                  
                  
                        | Class GA | 
                        ISO 10545-13 | 
                        CHEMICAL RESISTANCE | 
                    
                  
                  
                        | Min. II | 
                        ISO 10545-17 | 
                        FRICTION COEFFICIENT |