PU-165树脂

特征                                数值                                      

色值                                ≤4                                         

酸值                                ≤3                                                 

粘度（23℃）                        25000±5000                               

不挥发组分（％）                     67±1                                          

羟基含量（％）                       5.5±0.4                                        

水含量（％）                         ≤0.1                                         

当量约                               310                                          

密度(20℃，g/ml)                    约1.11                                        

闪点(℃)