Profile: Goldsmith & Eggleton, Inc. manufactures rubber raw materials. Our products include Blended Butyl™, Blended Nitrile™, SBR Masterbatch™ and EPDM Black Masterbatch™. Our EX-2018 is a co-polymer of ethylene & propylene that is designed for use in peroxide cured rubber products, sealants & adhesives, wire & cable and TPO blends. Our G&E 1606 type BMB is a mechanically mixed SBR black masterbatch. We are an ISO 9001:2000 certified company.