Irgastab® FS 301 FF is a non-phenolic system composed of a phosphite processing stabilizer Irgafos® 168 and a high molecular weight hydroxylamine Irgastab® FS 042. Acts as a processing stabilizer, heat stabilizer and light stabilizer. It contains oxidized bis(hydrogenated tallow alkyl) amines (Irgafos® 168) and tris(2,4-di-tert.-butylphenyl)phosphite (Irgastab® FS 042). Exhibits excellent color control, compatibility, low volatility and high resistance to extraction. Irgastab® FS 301 FF is suitable for polyolefin applications where low color and low gas fade discoloration are required. Also, recommended for PP fiber applications such as carpets, hygienic non-wovens and apparel as well as in polypropylene moldings (such as automotive TPO’s and outdoor construction applications). Recommended use level is 0.05-0.15%.