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Desmodur® E 21

Aromatic polyisocyanate prepolymer based on diphenylmethane diisocyanate (MDI). (A) As a binder for the formulation of moisture-curing, one-component coatings and adhesives. (B) As a hardener for hydroxyl-bearing co-reactants.

Brand
Desmodur
Available in
Asia Pacific, Europe Middle-East and Africa, Latin America, North America

Typical values

PropertyValueUnitTest methodCondition
All attributes
Flash point≥ 250°CDIN EN 22719
Dynamic viscosity4100 – 6700mPa·sMDI-01-0225 °C
NCO content15.3 – 16.7%MDI-01-01
Density1.15g/cm³DIN 5321720 °C

Documents

  • Technical Data Sheet
  • Safety Data Sheet

EU-CLP

Hazard Classes / Hazard Categories

According to Regulation (EC) No 1272/2008 on classification, labelling

and packaging of substances and mixtures (the 'CLP Regulation')

Acute toxicity, Inhalative, Category 4(H332)

Skin irritation, Category 2(H315)

Eye irritation, Category 2(H319)

Sensitization of the respiratory airways, Category 1(H334)

Sensitization of the skin, Category 1(H317)

Carcinogenicity, Category 2(H351)

Specific target organ toxicity (single exposure), Category 3(H335)

Specific target organ toxicity (repeated exposure), Category 2(H373)

Chronically hazardous to the aquatic environment, Category 3(H412)

GB-CLP

Hazardous classification under EU-CLP is not yet available; therefore, the product is not yet placed on the market within the EU-REACh regulatory area.

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