Omicure U-35M Cycloaliphatic bis urea 39992-90-0 CVC Catalyst / Accelerator >> Amine Epoxy Resins Coatings >> Powder Coatings Powder coating OMICURE ® U-35M Micronized Proprietiary Aliphatic Bis Urea OMICURE U-35, a cycloaliphatic substituted urea, is in-tended for use as a latent accelerator for the dicyandiamide cure of epoxy resins. The addition of OMICURE U-35 to epoxy/dicy formulations produces shelf stable one part products which cure in shorter times and/or at lower tem-peratures. Of the CVC substituted ureas, OMICURE U-35 will impart the longest room temperature shelf life to epoxy/ dicy formulations. On an equal weight basis, OMICURE U-35 is less efficient than aromatic ureas for accelerating the epoxy/dicy cure. Cures can be obtained at 115°C in approximately one hour and in less than seven minutes at temperature of > 150°C. Suggested use levels of OMICURE U-35 are < 5 phr. Cure times are dependent on the composition of the formulated product and your particular end application. Room temperature shelf lives (time to double viscosity) in excess of six months are easily obtained. Some of the fac-tors which can effect shelf life are formulation ingredients and compounding parameters. Ingredients in which OMICURE U-35 is insoluble at processing and storage temperatures further enhance storage stability of formu-lated systems. OMICURE U-35 can be incorporated into your formulation concurrent with the dicy addition. As a latent accelerator in the dicyandiamide cure of epoxy resins used in: Powder Coatings Micronized cycloaliphatic substituted urea. Used as a latent accelerator in the dicyandiamide cure of epoxy resins in powder coatings. Reduces time and temperature of curing. Provides long room temperature shelf life to epoxy/dicy formulations. <br> Use level: &lt;5 phr.