HDI Elastic type Covesro N3800

HDI Elastic type Covesro N3800


Aliphatic polyisocyanate (flexibilizing HDI trimer).As the hardener component for lightfast polyurethane coating systems.

Product Types:

  • HDI
  • PIC
  • Aliphatic polyisocyanate
  • Crosslinkers
  • Polyisocyanate
  • Hardeners
  • Polyisocyanurate
  • Isocyanate


Coatings, paints & inks:High functional, Weather resistant, Solventborne, Flexible, Elastic


Technical Properties & Datasheets


Property NameTest MethodUnitValue
Viscosity at 23 °CM014-ISO 3219/A.3mPa*s6,000 ± 1,200
NCO contentM105-ISO 11909%11.0 ± 0.5
Color value (Hazen)M017-EN 1557≤ 80
Monomeric HDIM106-ISO 10283%≤ 0.25



Property NameTest MethodUnitValue
Flash pointDIN 22 719°Capprox. 235
Equivalent weightapprox. 382
Viscosity at 25 °CDIN EN ISO 3219/A.3mPa*sapprox. 5,500
Density at 20 °CDIN EN ISO 2811g/mlapprox. 1.12


Storage and Transportation:

STORAGE: It is recommended to store in a dry and cool area with proper ventilation.


200KG/drum Please fasten the packaging cover as soon as possible after original packaging to prevent the mixing of other substances such as moisture and other substances that may affect the performance of the product. Do not inhale dust, avoid skin and mucous membrane contact. Smoking, eating and drinking are prohibited in the workplace. After work, shower and change clothes. Store contaminated clothes separately and reuse them after washing. Maintain good hygiene practices.

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