Dimer Acid Diisocyanate DDI | Bio-based Non-yellowing Isocyanate

Product Description Application range Main technical indicator Packing & Delivery

Product Description

DDI (dimer acid diisocyanate, CAS 68239-06-5) is a bio-based, non-yellowing specialty diisocyanate supplied as a yellow transparent oily liquid. It can be evaluated in polyurethane coatings, adhesives, elastomers and polyurethane prepolymers.

Final suitability should be confirmed through application testing using the buyer's own formulation system.

Application range

DDI can be evaluated for polyurethane coatings, adhesives, elastomers and polyurethane prepolymers.

Formulators should review compatibility, processing conditions, curing behavior and final application performance before production adoption.

Main technical indicator

CAS No.: 68239-06-5
Relative molecular mass: approximately 600
NCO content: 13.6-15%
Viscosity: less than 150 mPa.s at 20 C
Density: 0.924 g/cm3
Hydrolyzable chlorine: no more than 0.05%
Moisture: no more than 0.1%
Flash point: 296 C
Appearance: yellow transparent oily liquid
Storage period: 12 months when sealed and protected from light

Packing & Delivery

Packaging and delivery details are provided according to the confirmed order specification. Storage and handling instructions should be confirmed for the intended logistics route and application.