Pages: 3 (627 mots) Publié le: 6 avril 2010
Product Information

ECHELON™ MP 109 Polyurethane Prepolymer Description
ECHELON™ MP 109 Polyurethane Prepolymer is a prepolymer modified isocyanate; very low viscosity; medium functionalized forhigh mechanical tear, tensile performance. Property (1) Viscosity, 20°C (mPa.s) Isocyanate content (%) Density, 20°C (g/cm³)
(1) Typical properties, not to be construed as specifications.


Value 125 28.5 1.23

Method ASTM D 4889 ASTM D 5155 ASTM D 891


ECHELON MP 109 Prepolymer can be used as a general purpose hardener for elastomers, flexible coatings,integral skin systems. Depending on the application, ECHELON MP 109 Prepolymer can be cured either by moisture or by the addition of a chain extender.

Recommended Process Conditions Handling andStorage

Units Storage temperature Storage stability / Shelf life (1) °C months

Limits 20-30 6

1. ECHELON MP 109 Prepolymer must be protected against humidity and must be stored in unopeneddrums. Consult the MSDS prior to handling and take necessary steps to ensure safety of use.

Safety Considerations Customer Notice

Customer should refer to the Dow product Material Safety Data Sheet(MSDS) to understand the hazards of the product and safe handling guidance. Dow encourages its customers to review their application of Dow products from the standpoint of human health andenvironmental quality. For further information about safety considerations for your product/application, please contact your Dow sales representative.

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UNRESTRICTED – May be shared with anyone™ Trademark of The Dow Chemical Company (“Dow”) or an affiliated company of Dow ECHELON MC 109 Polyurethane Prepolymer / Dow Polyurethanes

Form No. 821-00011-0408 EH

Medical Application PolicyDow will not knowingly sell or sample any product or service (“Product”) into any commercial or developmental application that is intended for: (a) permanent (long term) contact with internal...
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