... ,with amino lying in on the second carbon of polyether end. The density of D-230 at 20C is 0.9080g/cm3, flashing ... agent in oil field, as a new style curing agents of epoxy, the application is tough, clear, flexible, impact-resistant coatings ... ,. As for non-epoxy applications Chenhua D-400 amines finds use in effective chain extender of polyurea RIM(reaction injection molding), thermoplastic ...