yellow inhibitor HN-130
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[Chemical name] 6-Hexamethylene bis(N, N-dimethyl semicarbazide)
HN-130 has a high affinity with NO and NO2 whose existence can cause serious yellowing problem on the surface of polymers. Hence, HN-130 is widely used as an anti-yellowing and anti-gas fading agent for PU, light stabilizer for polyamide and a heat stabilizer for polyethylene oxide system.