供应科思创拜耳水性树脂2646

Bayhydrol   A 2646
Type                                           Anionic polyacrylate dispersion
Form supplied                                                                     (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 of measurement          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)