... content,and is fully compatible with natural rubber ,various kings of synthetic rubber (SBR,BR,CR,NBR,IIR and ... valueASTM-E1959Mpa.s30-50InsolublesASTM-E-99vol%0.05maxProperties in rubber mixingExellent tackify propertyImprove estensibility and spalling resistanceCure time ... oil.Application field recommended :mixing of tyre rubberOther useOther rubber products ,such as tread,shoes heel,floor,belt etc… ...