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Suggested drying times and temperatures for general plastic polymers.

 

 
     
 

MISCELLANEOUS / TECHNICAL

 
  MATERIAL                 HOT AIR /                  DRYING                                     DRYING  
                                      DESICCANT                TIME /hrs                                     TEMP F  
  ABS                                  A                                 2-4                                            180-200  
  ABS/Nylon                        D                                 1-3                                            175-190 max  
  ABS/TPU                          D                                 3-4                                            170-(-40)  
  Acetal*                              A                                 1-4                                             185  
  Acrylic                               D                                 2-3                                             165-200**  
  EVA*                                A                                 1-2                                                **  
  Nylon Type 6                     D                                 2-4                                             180  
  Nylon Type 6/6                  D                                 2-4                                             175  
  Polycarbonate                    D                                    4                                              250  
  PC/ABS                             D                                3-4                                             175-230**  
  PC/Polyester                      D                                 3-4                                             240(-20)  
  PPS                                   A                                 2-3                                             300-340  
                                            D                                   2                                               300(-40)  
  Polypropylene*                  A                                 1-2                                             120-150  
  PPO                                   D                                 2-4                                             200-250**  
  Polystyrene*                      A                                  1-2                                             150-170  
  Polysulfone                         D                                    4                                              250-274  
  Polyurethane                       D                                 1-4                                             180-220**  
  Polyester:  
  PBT                                    D                                  2-4                                            250-280  
  PBT                                    D                                  8                                                215-225  
  PET                                    D                                  2-4                                             275  
  PET                                    D                                  >4                                              225  
  ELASTOMER                    D                                   2-3                                            225  
  ELASTOMER                    A                                   4-6                                            225  
  PVC*                                 A                                   2                                               140-150 cube  
                                            A                                    2                                               170-180 pellet  
  SMA                                  A                                    2                                               180-200**  
  SAN                                  A                                     2-3                                           180-200  
  TPE:                                   A  
  MPR*                                A                                  1-2                                              212  
  ETE                                    D                                   2-3                                              225**  
  TPO*                                 A                                   1-2                                             120-150**  
 


Notes:  These are general guidelines.
A -  Denotes HOT AIR type dryer minimum.
D -  Denotes DESICCANT type drying system minimum.
*  -  Denotes materials that typically do not need drying.
** - Denotes that temperature is dependent on specific material grade.


Check manufacturers recommendations:
 

 
 
 

For more detailed information refer to our ZIPPS Pocket Pal Trouble Shooting Guide

 
 

                  

 
     
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