HDI Low Viscosity Covesro N3900
Date：2023-11-15 Categories：Application
ABOUT:
Product Types
l ·HDI
l ·PIC
l ·Aliphatic polyisocyanate
l ·Crosslinkers
l ·Polyisocyanate
l ·Hardeners
l ·Polyisocyanurate
l ·IsocyanateMaterial
Material:
Coatings, paints & inks:Weather resistant, Low viscous, Solvent-free, Easy mixing
General Characterization:
Low-viscosity, aliphatic polyisocyanate resin based on hexamethylene diisocyanate.
As the hardener for weather-stable coating systems.
Logistics and Handling：
Storage Conditions
– Storage in original sealed Covestro container.
– Recommended storage temperature: 0 – 30 °C.
– Protect from moisture, heat and foreign material.
General information: 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.
Technical Properties & Datasheets
Characteristics：
Property Name
|
Test Method
|
Unit
|
Value
|
Equivalent weight
|
|
|
approx. 179
|
Flash point
|
DIN EN 22 719
|
°C
|
approx. 203
|
Density
|
DIN EN ISO 2811
|
g/cm3
|
approx. 1.15
|
Specifications：
Property Name
|
Test Method
|
Unit
|
Value
|
Hazen color value
|
M017-EN 1557
|
|
≤ 40
|
Viscosity at 23 °C
|
M014-ISO 3219/A.3
|
mPa*s
|
730 ± 100
|
Monomeric HDI
|
M106-ISO 10283
|
%
|
< 0.25
|
NCO content
|
M105-ISO 11909
|
%
|
23.5 ± 0.5
|
Storage and Transportation:
STORAGE: It is recommended to store in a dry and cool area with proper ventilation.
Packaging:
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.
