Profile: Wenzhou Plastic Additives Factory manufactures hindered amine light stabilizers. We offer piperidine, indole, light stabilizer and antioxidant series. Our 4-amino-2,2,6,6-tetramethylpiperidine is used as the monomer of light stabilizer. Our 4-hydroxy-2,2,6,6-tetramethyl-piperidinooxy is used to prevent alkene from self-polymerization, or control and adjust the degree of polymerization. Our antioxidant 3114 is used in ABS resin, polyester, nylon, PE, PS, PVC, PU, cellulose plastic and rubber. We are accredited with ISO 9001:2000 certification.