Antioxidant FR by Songwon is 2,2,4-trimethyl-1,2-dihydroquinoline polymer-based primary antioxidant. It is used in dry rubber application to maintain physical as well as surface properties with good... view more

Antioxidant RD by Songwon is 2,2,4-trimethyl-1,2-dihydroquinoline polymer-based primary antioxidant in dry rubber application. It maintains physical and surface properties with good color, very good... view more