AK Scientific, Inc.
USA
Light stabilizer 622
Simagchem Corporation
P.R.China
Light stabilizer 622
BOC Sciences
USA
Light Stabilizer 622
Tianjin Zhongxin Chemtech Co., Ltd.
P.R.China
4-Hydroxy-2,6-Tetra-methyl-1-Piperidine-ethanol
Leap Chem Co., Ltd
P.R.China
Light Stabilizer 622
Simagchem Corporation
P.R.China
Poly(4-hydroxy-2,2,6,6-tetramethyl-1-piperidine ethanol-alt-1,4-butanedioic acid)
Sigma-Aldrich International GmbH
Switzerland
Plastic additive 22
Amadis Chemical Company Limited
P.R.China
Poly(4-hydroxy-2,2,6,6-tetramethyl-1-piperidine ethanol-alt-1,4-butanedioic acid)
Xiamen Kinbester Co., Ltd.
P.R.China
Poly[N-(2'-Hydroxyethyl)-2,2,6,6-Tetramethyl-4-Hydroxy Piperidyl Succinate]
Xiamen Hisunny Chemical Co., Ltd.
P.R.China
Light stabilizer 622
Dayang Chem (Hangzhou) Co.,Ltd.
P.R.China
Poly-(N-2-hydroxyethyl-2,2,6,6-tetramethyl-4-hydroxy-piperidyl succinate)
Sinogreat Enterprise Ltd.
P.R.China
Light stabilizer 622
Autech Industry Co.,Limited
P.R.China
Light stabilizer 622
AK Scientific, Inc.
USA
Poly(4-hydroxy-2,2,6,6-tetramethyl-1-piperidine ethanol-alt-1,4-butanedioic acid)
Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd)
P.R.China
Light stabilizer 622
Ambeed, Inc.
USA
Poly(4-hydroxy-2,2,6,6-tetramethyl-1-piperidineethanol-alt-1,4-butanedioic acid)
Sancai Industry Co.,Ltd.
P.R.China
Tinuvin 622
Aozeal Certified Standards (AOCS), Inc.
USA
4-Hydroxy-2,6-Tetra-methyl-1-Piperidine-Ethanol
Xingrui Industry Co., Limited
P.R.China
Light stabilizer 622
Lori Industry Co., Ltd
P.R.China
Light stabilizer 622
Refine Chemical Co.,Ltd.
P.R.China
Light stabilizer 622
Zehao Industry Co., Ltd.
P.R.China
Tinuvin 622
Unilong Industry Co.,Ltd
P.R.China
Poly(4-hydroxy-2,2,6,6-tetramethyl-1-piperidine ethanol-alt-1,4-butanedioic acid)
Hangzhou Keying Chem Co., Ltd.
P.R.China
Light stabilizer 622
Shandong Lanhai Industry Co.,Ltd.
P.R.China
Light stabilizer 622
Xiamen Equation Chemical Co.,Ltd
P.R.China
Poly(4-hydroxy-2,2,6,6-tetramethyl-1-piperidine ethanol-alt-1,4-butanedioic acid)
OPQ Chemical Co., Ltd
P.R.China
Hals 622
Shandong SanYoung Industry Co., Ltd
P.R.China
Light stabilizer 622
Chemie-Handel Schneider GmbH
Germany
Poly-(N-2-hydroxyethyl-2,2,6,6-tetramethyl-4-hydroxy-piperidyl succinate)
BLD Pharmatech Ltd
P.R.China
Poly(4-hydroxy-2,2,6,6-tetramethyl-1-piperidine ethanol-alt-1,4-butanedioic acid)
Chemlyte Solutions
P.R.China
Poly(4-hydroxy-2,2,6,6-tetramethyl-1-piperidine ethanol-alt-1,4-butanedioic acid)