HOUSTON (Aug. 29, 2012)—Dynasol, Industrias Negromex S.A. de C.V. and SimmaTrans S.A. have joined the International Rubber Study Group's Panel of Associates.
Dynasol and Negormex, known as INSA, are sister companies, based in Mexico.
Dynasol operates styrene-butadiene copolymer factories in Mexico and Spain. It is a joint venture of Repsol Quimica and KUO Group.
INSA makes emulsion SBR and nitrile butadiene rubber.
SimmaTrans is headquartered in Chile, and was formed by a strategic alliance between Simma S.A. and Popayan Ltd. The firm makes conveyor belting.