Desmodur® XP 2731

Covestro (formerly Bayer MaterialScience) 科思创

Desmodur® XP 2731 is an aliphatic polyisocyanate (HDI allophanate trimer), and is the hardener component for solvent-free, light fast, scratch-resistant polyurethane coating systems. It is primarily in combination with solvent-free Desmophen® grades for in-mold coatings. This product has an NCO-content of approx. 19.5%, an equivalent weight of approx. 215, a density at 20°C of approx. 1.17g/cm^3.

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Acclaim® Polyol 4200

Acclaim® Polyol 4200 is a polyether polyol that is suitable for combination with Desmodur® in the formulation of solvent-free or low-solvent polyurethanes. This product is a solvent-free, pale, low-viscousity liquid, with a hydroxyl number of 28.0 ± 1.5 and an acid humber of 0.004 - 0.020. Acclaim® Polyol 4200 is suitable for combination with many Desmodur® products in the formulation of solvent-free elastic coatings, adhesives and sealants. It can be thinned with solvents such as esters, ketones and aromatics. Only PU grade solvents should be used (< 0.05% by wt. water).

Acclaim® Polyol 6300

Acclaim® Polyol 6300 is a polyether polyol that is suitable for combination with Desmodur in the formulation of solvent-free or low-solvent polyurethanes.