Equal to Wingstay L.
It has high activity and low volatility, mainly used to protect light colored and pollution free compounds (better than 264, 2246), also used in the polymer processing process, especially for the emulsion product (foam rubber, cementdipped rubber and collodion silk product), rubber gum elastomer product and caking agent. The antioxidant 616 can protect the natural and the synthesis polymer which based on the isoprene and butadiene, and also can serve as the highly effective additive to the poly phenol.