Covestro Bayhydrol® A 2601 Polyurethane Coating

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Covestro Bayhydrol® A 2601 Polyurethane Coating
Categories:	Polymer; Thermoplastic; Adhesives, Sealants, and Coatings; Thermoset; Polyurethane, TS
Material Notes:	Water-reducible, hydroxyfunctional polyacrylate dispersion. In combination with aliphatic polyisocyanates for the formulation of waterborne two-component clearcoats and topcoats for general industrial and transportation coatings. Can also be used in combination with suitable melamine resins for the formulation of one-component coatings. Properties / Applications: Primarily in combination with Bayhydur® 304, XP 2487/1 and Desmodur® N 3900 for air- and oven-drying industrial coatings. The cured coating film is hard, tough but flexible and exhibits high gloss, good filling power, good weather and light stability, good resistance to solvents and gasoline and rapid drying. Not recommended for clearcoat applications for wood. Information provided by Covestro
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Physical Properties	Original Value	Comments

Specific Gravity	1.06 g/cc	DIN EN ISO 2811
Volatiles	53 - 56 %	1g/1 ml toluene/1 h/125 °C; DIN EN ISO 3251
pH	7.0 - 8.0	1:4 in demineralized water; DIN ISO 976
Viscosity	1500 - 3000 cP	D= approx. 40 s-1; DIN EN ISO 3219/A.3

Chemical Properties	Original Value	Comments
Acid Value	10	[mg KOH/g]; DIN EN ISO 2144

Descriptive Properties
Content	3.9%	Hydroxyl

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PCOVEST0156 / 201939

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