Covestro Bayhydrol® U XP 2698 Polyurethane Coating

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Covestro Bayhydrol® U XP 2698 Polyurethane Coating
Categories:	Polymer; Thermoplastic; Adhesives, Sealants, and Coatings; Thermoset; Polyurethane, TS
Material Notes:	Aliphatic, hydroxyfunctional polyester-polyurethane dispersion. Binder for the formulation of water-reducible soft-touch coatings. Properties / Applications: Bayhydrol® U XP 2698 can be used in combination with flexible polyurethane dispersions, e.g. Bayhydrol® UH 340/1, UH 650, UH 2305 and UH XP 2660 to formulate soft-touch and suede-effect coatings. Suitable polyisocyanate components are Bayhydur® 304, 3100, XP 2655 and also Desmodur® N 3600 and N 3900. Information provided by Covestro
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Physical Properties	Original Value	Comments

Specific Gravity	1.07 g/cc	DIN EN ISO 2811
Volatiles	46 - 50 %	1g/1h/125°C; DIN EN ISO 3251
pH	6.7 - 7.7	10%; DIN ISO 976
Viscosity	500 - 2500 cP	D= approx. 40 s-1; DIN EN ISO 3219/A.3

Chemical Properties	Original Value	Comments
Acid Value	8.5	[mg KOH/g]; DIN EN ISO 2114

Descriptive Properties
Content	0.8%	OH

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PCOVEST0167 / 201950

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