YK-B215-aprocessing and long-term thermal stabilizer system-is a syner-gistic blend of YK-168 and YK -1010.YK-B215 is used in polyolefins and olefin-copolymers such as polyethylene,polypropylene and ethylene-vinylacetate copolymers.The blend can also be used in other polymers such as endineering plastics,styrene homo-and copolymers,polyurethanes,elastomers,adhesives,and other organic substrates.YK-B215 in a convenient blend addressing a range of stabilization needs.In the recommended appolications YK-B215 provides significant advantages,such as maintenance of original melt flow,low color formation,improvement of long-term thermal stability.