N9900M is an "undefined" PS start-up material from starting up the extruder. As a consequence burned material and high styrene monomer content is part of the composition of the material. Since is can be start-up material from any GPPS grade, properties like melt index, Vicat, etc., can vary. Information provided by NOVA Chemicals. INEOS NOVA began October 1 2007 as an expansion of the 50:50 joint venture between NOVA Chemicals and INEOS to include North American assets. |