SYNTHOS Kralex® 1739 Styrene Butadiene Rubber

KRALEX® 1739 is a Specific grade of oil extended styrene butadiene rubber. It is produced by a technology of cold emulsion polymerisation based on soaps of rosin and fatty acids and contains 40% of chemically bounded styrene. It is coagulated by a system of acid and organic coagulant, contains 27% (37 PHR) of extender oil with reduced content of polycyclic aromatics (TDAE grade) and is stabilized by a staining antioxidant.It is appropriate for rubber compounds used in the production of car tires and inner tubes, including tire re-trading, conveyor belts and various technical rubber articles. KRALEX® 1739 can be used in the same rubber compounds as KRALEX® 1721 if the presence of polycyclic aromatics is not desirable.It is not approved for production of rubber articles coming into contact with foods or drinking water.Synthos was formerly known as Kaucuk. All information provided by Synthos.