SONGNOX® 4120 

SONGNOX® 4120 is a secondary antioxidant for organic polymers. It is a sulfur containing antioxidant with high molecular weight, and the characteristics of low volatility and high performance. SONGNOX® 4120 performs as a better synergist with phenolic antioxidant than SONGNOX® DLTDP

& DSTDP and etc. It is effective in polyolefins and has high heat resistance and low leaching properties.




Songwon International AG is a major manufacturer of polymer stabilizers. By anticipating, understanding, and satisfying the needs of customers, the company has achieved sustainable and profitable growth. Their product range includes antioxidants, binary blends, thioesters, hindered amine light stabilizers, UV absorbers, and hydroxybenzoates, which can be supplied in powder or granular form.


Songwon International AG

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