HDI trimer Vencorex HDT-90
Date：2023-11-21 Categories：Application
Description：
Aliphatic polyisocyanate based on Hexamethylene Diisocyanate trimer (HDI homopolymer), supplied at 90 % solids in a blend of butyl acetate and aromatic hydrocarbon (1 for 1 in weight).
Suggested Uses：
High solids two-component polyurethane coatings and varnishes.
Exterior protective coatings for automotive OEM, car repair, industrial machinery, plastic parts …..etc.
Specifications：
Colour
|
40 HAZEN (APHA)
|
Viscosity at 25°C
|
500±100 mPa.s
|
NCO (on delivery form)
|
19.8±0.7 %
|
Solids content
|
90.0±1.0 %
|
Hexamethylene diisocyanate monomer (HDI)
|
< 0.2 %
|
The analytical methods are available upon request
Physical Properties：
Appearance Clear
|
liquid
|
Bulk density at 25°C
|
1120 kg/m3 approx.
|
Weight per US gallon
|
9.35 lbs approx.
|
Flash point (closed cup)
|
53°C approx.
|
Equivalent weight (on delivery form)
|
212 g approx.
|
Solubility：
Soluble in esters, ketones, aromatic hydrocarbons. In most cases, esters/aromatic hydrocarbon mixtures are used.
It is recommended to use “urethane grade” solvents for the dilution (with water content below 300 ppm).
Applications:
Tolonate™ HDT 90 is typically used as a crosslinker of hydroxylatedpolymers,especially polyesters and polyacrylic polyols, to prepare two-component polyurethanes coatings showing excellent outdoor durability and mechanical properties in conjunction with outstanding resistance to solvents, abrasion and chemicals.
Packaging and transport:
Packaging (please contact our sales team for more details)
US and Thailand origin: 225 kg net metallic drums
France origin: deliveries of 900 kg net weight pallets (4 drums of 225 kg net weight).
Other packaging: upon request
Transport
Regulated. For more precise details, please refer to the safety datasheet
Storage conditions and shelf-life：
Tolonate™ HDT 90 is sensitive to moisture and should be kept in its original container or in a volume tank under dry nitrogen blanketing, for example.
Appropriate storage for 2 years does not normally affect the product in any way if it is stored in its sealed original drums in proper storage conditions at temperatures below 40°C.
Flammability and safety instructions：
Before handling this product please refer to its safety data sheet
