拜耳 科思创2646水性树脂 德国原装进口

Bayhydrol   A 2646

Type                                          Anionic polyacrylate dispersion

Formsupplied                                                                    (R) 
                                              approx. 50 % in water/Dowanol   PnB/triethanolamine (46 : 1.1 : 2.9)

Uses                                          Waterborne, low VOC two-component polyurethane coatings in combination

                                              with aliphatic polyisocyanates.

Specification 
   Property                                  Value                        Unit ofmeasurement          Method

    Non-volatile content                       48 -51                     %                            DIN EN ISO 3251 
    (1 g/1 h/125 °C/convection oven)

    Viscosity at 23 °C                        1,000 - 3,500               mPa·s                        DIN EN ISO 3219/A.3 
                      -1 
    D = approx. 40 s

   pH                                        7 -8                                                    DIN ISO 976 
    (1 : 4 in demineralised water)