... designed for non-polar diene rubber (such as: natural rubber, SBR, BR) and non-polar two olefin thermoplastic el 771 Rubber( processing agent)primer This ... for non-polar diene rubber (such as: natural rubber, SBR, BR) and non-polar two olefin thermoplastic elastomer (such as: CR,NBR,SBR, TPR) and other ... yellow transparent liquidDensity :0.95-1.1 g / CM3 771 Rubber(CR,NR,NBR,TPR,SBR) adhesion promote