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[供应] 拜耳水性树脂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) Other data* Property Value Unit of measurement Method Hydroxyl content, approx. 3.8 % internal method (calculated on solid)*** Hydroxyl content, approx. 2.7 % internal method (supply form) Density at 20°C approx. 1.06 g/ml DIN EN ISO 2811-2 (R) *** w/o OH groups of the Dowanol PnB and triethanolamine *These values provide general information and are not part of the product specification. page 1 of 3 Edition 2010-10-01 Bayhydrol Replaces edition dated 2009-04-08 Product Datasheet
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