Polymer Standards Service-USA Inc. (PSS-USA, Inc.) is the sales and service partner of Polymer Standards Service GmbH (PSS) in North America, serving the US, Canada and Latin America customers since 1994. Polymer Standards Service GmbH (PSS) is certified DIN EN ISO 9001 to produce high quality Reference Polymers, GPC Columns and Software for the characterization of polymers by their molecular weight and their structural characteristics. PSS employs the latest findings in polymer science for the synthesis and characterization of polymers, block copolymers and biopolymers. PSS operates manufacturing facility equipped with a complete state-of-the-art characterization laboratory at the headquarters in Mainz (Germany), fully supporting customers working under stringent requirements i.e., DIN, ISO 9000x certifications.