About Songwon

Songwon was founded in 1965 and is headquartered in Ulsan, South Korea. It is a leading global producer of polymer stabilizers and specialty chemicals. Songwon supplies antioxidants, UV absorbers, light stabilizers, and phenolic/phosphite blends (e.g., SONGNOX® series). These protect against thermal and oxidative degradation, yellowing, and chain scission in hot-melt, pressure-sensitive, polyurethane, and water-based adhesives. They enhance long-term stability, color retention, and overall performance in packaging, hygiene, construction, and automotive applications.

SONGNOX® 117B

Blend of tris(2,4-di-tert-butylphenyl) phosphite and octadecyl-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate. Acts as a phosphite and phenolic antioxidant. It provides long term heat stability, excellent melt flow and color protection during processing of polyolefins. It is compatible with polycarbonate, ABS, and polyesters. It complies with following regulations: AICS, DSL, EINECS, IECSC, ENCS, NZIoC, ECL, PICCS and TSCA.

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TMBP

TMBP is a clear, 2,2’,6,6’-tetramethyl-4,4’-biphenol by Songwon. It offers toughness. TMBP is designed for use in the manufacture of epoxy resins. It is designed for use in adhesives and sealants.

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SONGNOX® 11B

SONGNOX® 11B by Songwon is a blend of tris(2,4-di-tert-butylphenyl) phosphite and tetrakis[methylene(3,5-di-tert-butyl-4-hydroxyhydrocinnamate)] methane. Acts as a phosphite & phenolic antioxidant. It shows good balance of properties between processing stability, color and long-term thermal stability. It has low initial color and shows low gas fading. It provides excellent melt flow and color protection during processing of polyolefins. It is compatible with polycarbonate, ABS, and polyesters. SONGNOX® 11B complies with AICS, DSL, EINECS, IECSC, ENCS, NZIoC, ECL, PICCS, REACH and TSCA.