Neoprene 571 Neoprene Dupont Dow Elastomers Chlorinated Rubber General Industrial /Maintenance Miscible in water Neoprene 571 liquid dispersion (LD) contains a high modulus copolymer of chloroprene and sulfur made in an anionic colloidal system. High Tensile Strength, High Modulus Films Cured films based on Neoprene 571 have high strength in addition to good hot oil resistance and low permanent set. Industrial coatings Dispersion of a high modulus copolymer of chloroprene and sulfur in an anionic colloidal system. Used in industrial coatings. Offers high tensile strength, good hot oil resistance and low permanent set.