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Allgemeine Charakterisierung
Bayhydur BL 2781 is a water-thinnable, aliphatic, blocked polyisocyanate.
It is suitable for use in combination with Bayhydrol® polyols in the formulation of water-thinnable, lightfast, one-component polyurethane stoving coatings. Also as an additive to improve the flexibility, impact strength and adhesion of conventional aqueous stoving systems.
Bayhydur BL 2781 is a further development of Bayhydur VP LS 2310 without cosolvent.
It is suitable for use in combination with Bayhydrol® polyols in the formulation of water-thinnable, lightfast, one-component polyurethane stoving coatings. Also as an additive to improve the flexibility, impact strength and adhesion of conventional aqueous stoving systems.
Bayhydur BL 2781 is a further development of Bayhydur VP LS 2310 without cosolvent.
Lagerungsbedingungen
Bayhydur BL 2781 should be stored in tightly sealed original containers and protected from freezing, heat, and foreign materials. The product is sensitive to freezing. Prolonged freezing can damage the product irreversibly. Prolonged storage at higher temperatures may result in a decrease of viscosity and/or an increase of average particle size, possibly resulting in sedimentation or coagulation. Recommended storage temperature is 5º-23ºC.
Probenahme
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Technische Eigenschaften & Datenblätter
Genannte Eigenschaften Merkmale
Name der Eigenschaft | Prüfverfahren | Einheit | Wert |
---|---|---|---|
Equivalent weight | approx. 1,200 | ||
Density at 20^oC | g/cm^3 | approx. 1.06 | |
Appearance | clear to slightly cloudy | ||
Blocked NCO content | % | approx. 3.5 |
Genannte Eigenschaften Spezifikation
Name der Eigenschaft | Prüfverfahren | Einheit | Wert |
---|---|---|---|
pH (10% solid content indemineralized water, 20^oC) | approx. 9 | ||
Non-volatile content (1 g/1 h/105^oC) | % | 35 - 38 | |
Viscosity at 23^oC, D=10s^-1 | mPa∙s | 1500 - 5000 |
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Technisches Datenblatt
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