SONGNOX® PQ is a tetrakis(2,4-di-tert-butylphenyl)[1,1-biphenyl]-4,4’-diylbisphosphonite. Acts as a secondary antioxidant. Protects the polymer during processing and provides color protection. It is... view more

SONGNOX® PQ SB by Songwon is a tetrakis(2,4-di-tert-butylphenyl)[1,1-biphenyl]-4,4’-diylbisphosphonite. Acts as a secondary antioxidant and stabilizer. It has a semi-bead form and is dust free... view more

SONGNOX® PTBP-H by Songwon is an intermediate. It also acts as a stopping agent in the polymerization of polyol as well as molecular controller in the polymerization of polycarbonate and epoxy... view more

SONGNOX® 811B by Songwon is a blend of hindered phenolic antioxidant and secondary phosphite antioxidant. It provides very good processing and long term thermal stability. SONGNOX® 811B offers very... view more