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Desmodur® 15

Desmodur® 15 (Naphthylen-1.5-diisocyanat) flakes are a white to yellowish substance. The molecular weight of Desmodur® 15 is 210 g/mol and it is used for the production of Vulkollan®.

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General Characterization

Desmodur 15 (Naphthylene-1,5-diisocyanate) flakes are a white to yellowish substance. The molecular weight of Desmodur 15 is 210 g/mol and it is used for the production of Vulkollan®.

Storage Conditions

Desmodur 15 should be stored in tightly sealed original containers and protected from moisture, heat, and foreign materials. Desmodur 15 is sensitive towards moisture and reacts with water to form urea derivatives and carbon dioxide. Desmodur 15 should therefore be stored in tightly sealed containers in a cool, dry place. Containers which have been opened must be tightly resealed each time material is removed. Recommended storage temperature is less than 30ºC.

Sampling

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Technical Properties & Datasheets

Characteristics

Property Name Test Method Unit Value
Effective content % by wt. ≥ 99.5
Freezing point °C ≥ 126.5
Hydrolyzable chlorine % by wt. ≤ 0.02

Specifications

Property Name Test Method Unit Value
Apparent density g/cm^3 0.55
Mean specific heat solid 60 - 120°C kJ/kg*°K 1.38
Heat of combustion kJ/g 27.8
Mean specific liquid solid 140 - 150°C kJ/kg*°K 1.67
Density at 130°C g/cm^3 1.21
NCO content % by weight 40
Mean specific heat solid 25 - 60°C kJ/kg*°K 1.21
Density at 20°C g/cm^3 1.42
Heat of fusion J/g 151

Downloads

Technical Data Sheet
Safety Data Sheet
No direct download available, please visit www.productsafetyfirst.covestro.com

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