Poly(propylene glycol), tolylene 2,4-diisocyanate terminated, average Mn ~2,300 (narrow MW distribution), isocyanate ~3.6 wt. %

CAS Number: 9057-91-4

MDL No.: MFCD00217728

Density: 1.05 g/mL at 25 C

Refractive Index: n20/D 1.4742

UNSPSC Code: 12162002

Features and Benefits: Lower viscosity than conventional polyurethane oligomers. Aromatic isocyanate is more reactive than aliphatic isocyanate. Aromatic isocyanates are less light stable than aliphatic isocyanates.

Application: Idler rollers and adhesive-handling pads.

Physical form: Polyurethane prepolymer.