30℃<Solid liquid phase change≤60℃                    
                
                
            | 30℃<Solid liquid phase change≤60℃ | 
            
            
            PMI foam                    
                
                
            | PMI foam | 
            
            
            Rhenium                     
                
                
            | Rhenium | 
            
            
            Zirconia                    
                
                
            | Zirconia | 
            
            
            Titanium disilicide                     
                
                
            | Titanium disilicide | 
            
            
            Boron silicide                     
                
                
            | Boron silicide | 
            
            
            Aluminum nitride                    
                
                
            | Aluminum nitride | 
            
            
            Carbon nanotube                    
                
                
            | Carbon nanotube | 
            
            
            Hydrides                    
                
                
            | Hydrides | 
            
            
            Polytetrafluoroethylene tape                    
                
                
            | Polytetrafluoroethylene tape | 
            
            
            Special engineering plastic  board                    
                
                
            | Special engineering plastic board | 
            
            
            Fluoroplastic film                    
                
                
            | Fluoroplastic film |