Trisnonilfenilo fosfito (TNPP) is a hydrolytically stable organophosphite antioxidant used as a processing stabilizer in PVC, polyolefins, y caucho, protecting against oxidative degradation during high-temperature polymer processing. SUNCHEM supports international buyers with TNPP sourcing from qualified Chinese producers, con documentación de calidad, coordinación de exportaciones, y apoyo logístico.

