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Material
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Allgemeine Charakterisierung
Desmodur Z 4470 SN is an aliphatic polyisocyanate (IPDI trimer).
It is suitable for use as the hardener component for lightfast polyurethane coating systems and as an additive resin for alkyd spray coatings.
It is suitable for use as the hardener component for lightfast polyurethane coating systems and as an additive resin for alkyd spray coatings.
Lagerungsbedingungen
Desmodur Z 4470 SN should be stored in tightly sealed original containers and protected from moisture, heat, and foreign materials. The product is sensitive to moisture. Storage at higher temperatures will result in increase of color and viscosity. Storage at significant lower temperatures will result in solidification. This solidification is reversible by briefly heating the product without adversely affecting the quality of the product. Recommended storage temperature is 0º-30ºC.
Probenahme
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Technische Eigenschaften & Datenblätter
Genannte Eigenschaften Merkmale
Name der Eigenschaft | Prüfverfahren | Einheit | Wert |
---|---|---|---|
Density at 20°C | g/ml | approx. 1.05 | |
Flash point | °C | approx. 45 | |
Equivalent weight | approx. 360 | ||
Viscosity at 23°C | mPa∙s | approx. 2,000 |
Genannte Eigenschaften Spezifikation
Name der Eigenschaft | Prüfverfahren | Einheit | Wert |
---|---|---|---|
Hazen color value | ≤ 60 | ||
Monomeric IPDI | % | < 0.35 | |
Non-volatile content (0.2 g/1 h/120^oC) | % | 70 ± 2 | |
NCO content | % | 11.9 ± 0.4 | |
Viscosity at 25°C | mPa∙s | 1,600 ± 500 |
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Technisches Datenblatt
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