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Compatibility and adaptability of plastic welding

        Because of differences among the thermoplastic types,some of them can be easily welded and others hardly.In the diagram below, black square means good compatibility of the two plastics, and  they can be welded by ultrasonic easily; circle means the two plastics can compatible under some circumstances with the acceptable welding performance ;space means the compatibility of the two plastics is very bad,they are difficult to be welded by ultrasonic.

        The list below is the example diagram of thermoplastic ultrasonic welding compatibility ,for reference only, because many changes result in different outcomes:
thermo-
plastics
ABS ABS
/PC
POM AN Acrylic acid series BS Fiber Fluo-
ropo-
lymer
Nylon Resin PAI Polya-
mide-imide
PC TPES PE TPX polyph-
enylene sulfide
PP PS PSF PVC SAN-NAS-ASA
ABS                              
ABS/PC                                  
POM                                        
AN                            
Acrylic acid
series
                               
BS                                      
Fibrin(CA,CAB,CAP )                                        
Fluoropolymer                                        
Nylon                                        
Resin                                
PAI Polyamide-imide                                        
PC                                
TPES                                        
PE                                        
TPX                                        
Polyphenylene sulfide                                        
PP                                        
PS                                
PSF                                      
PVC                                      
SAN-NAS-ASA                              

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