CYMEL U-21-511
CYMEL U-21-511 resin is a partially n-butylated urea resin supplied in n-butanol and is the exempt solvent version of CYMEL U-21-511. It has excellent compatibility with epoxy resins. It is recommended in primer formulations which are to be topcoated and re-baked. Low viscosity and epoxy solution compatibility make this product an ideal modifier.