Bassonat P LR 8878 Polyisocyanate BASF PU - Isocyanates ADHESIVE BASONATP LR 8878 Crosslinker 100% liquid polyfunctional polyisocyanate. Light amber colored liquid. Water miscible in Luphen® dispersions and other functional emulsions eg. Acronal® A 220. Provides dramatic increase in heat and water resistance at additions of 2 - 5% by wet weight. Good mixed pot life ca. 8 hours. Polyfunctional polyisocyanate crosslinker. Provides increase in heat and water resistance at additions of 2-5% by wet weight.