科思创说明书Bayhydrol_A_XP_2770_FT_EN.pdf

Bayhydrol A XP 2770 Characterization Aqueous hydroxyfunctional polyacrylic dispersion, in combination with aliphatic polyisocyanates for waterborne 2K-polyurethane coatings. Form supplied ® approx. .5 % in water/Dowanol PnB, neutralized with dimethyl amino ethanol in the ratio approx. 50.2 : 3.6 : 1.7 Characteristic data* Property Value Unit of measurement Method Viscosity at 23 °C, 200 - 1,200 mPa·s DIN EN ISO 3219/A.3 -1 D = approx. 40 s Non-volatile content 42 - 46 % DIN EN ISO 3251 (1 g/1 h/125 °C/convection oven) pH 7 - 9 DIN ISO 976 (tested 10 % in demineralised water) *These values are provisional. Binding supply specifications will not be available until the final product data sheet is published. Other data** Property Value Unit of measurement Method Hydroxyl content approx. 3.9 % (solvent free, calculated) Acid value approx. 11 mg KOH/g DIN EN ISO 2114 Density at 20 °C approx. 1.06 g/ml DIN EN ISO 2811 **These values provide general information. page 1 of 4 Edition 2015-09-01 Replaces edition dated 2013-12-10