HDI Waterborne WanHua 269
Date：2023-10-24 Categories：Application
HDI Waterborne WanHua 269
Product Description：
Aquolin 269 is a water dispersible polyisocyanate based on hexamethylene diisocyanate (HDI). In combination with waterborne polyurethane, polyacrylate, etc., it can be used for water-borne coatings and adhesives. After addition of Aquolin 269, the ready-to-use mixture must be used within the pot life.
Properties：
-
High gloss and high building up.
-
Excellent water resistance.
-
Excellent water dispersible and hand-mixing.
-
Excellent weather resistance.
Characteristic data*
Property
|
Value
|
Unit
|
Method
|
Appearance
|
Colorless to yellowish transparent liquid
|
|
|
NCO content
|
18.8-19.8
|
%
|
GB/T 12009.4-2016
|
Viscosity
|
500-2000
|
mPa·s
|
Brookfield LV, 63#/3rpm,25°C
|
Color APHA
|
＜80
|
|
GB/T 1722-1992
|
Monomeric
isocyanate
|
≤ 0.2
|
%
|
GB/T 18446-2009
|
Flash point
|
~128
|
°C
|
GB/T 5208
|
Density
|
~1.13
|
g/cm3
|
GB/T 4472-2011
|
*PThese properties are typical but do not constitute specifications.
Storage：
The product should be stored in dry conditions above 5°C and below 35°C with the integrity of the packaging, and prevent direct sunlight. The validity of this product is for 12 months, performance assessment is recommended before use after shelf life. The product should be protected from freezing during storage. Water dispersible polyisocyanates are very moisture-sensitive and react with water to form carbon dioxide and insoluble ureas. The generation of carbon dioxide can lead to dangerous increases in pressure. The containers must always be kept tightly closed and the access of water in all forms must be prevented. It is suggested to use up once the package is open.
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.
