Light Stabilizer 438

Chemical Name: N,N'-Bis(2,2,6,6-tetramethyl-4-piperidinyl)-1,3-benzenedicarboxamide 1,3-Benzendicarboxamide,N,N'-Bis(2,2,6,6-Tetramethyl-4-Piperidinyl);Nylostab S-Eed; Polyamide Stabilizer;1,3-Benzenedicarboxamide, N,N-bis(2,2,6,6-tetramethyl-4-piperidinyl)-;1,3-Benzenedicarboxamide,N,N'-bis(2,2,6,6-tetramethyl-4-piperdinyl);N,N''-BIS(2,2,6,6-TETRAMETHYL-4-PIPERIDINYL)-1,3-BENZENEDICARBOXAMIDE;N,N'-bis(2,2,6,6-tetramethyl-4-piperidyl)isophthalamide;Light stabilizer 438 CAS NO.:42774-15-2 Molecular Formula：C26H42N4O2 Molecular Weight：442.64 Specification Appearance: White to yellow-white powder Content (%): 98.00 min Melting Point(℃): 270.00-274.00 Volatile (%): 1.90 max Chloride content (%): 0.82 max Transmittance (%) 425nm     90.00 min 500nm    92.00 min Application Improved melt processing of polyamides Enhanced long-term heat and photo-stability Improve color strength. Improve pigment stability. Reinforced nylon fiber dyeability. Package and Storage 25KG carton or as customers’ requirements Stored in sealed, dry and dark conditions