ADDITIVES: Liquid Antimicrobials for Polyolefins & Engineering Thermoplastics

Riverdale Color's new +Clean liquid additives are said to surpass efficiency of antimocrobial pellets.

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A new series of liquid antimicrobial agents for use with polyolefins and engineering thermoplastics reportedly are more effective in product protection at lower letdowns than masterbatches. Recently launched by Riverdale Global, Ashton, Penn, +Clean antimicrobials are said to disperse more readily than pellet concentrates, ultimately saving in additive costs.

The +Clean additives are inorganic silver-based formulations that prevent discoloration, odors, and product degradation caused by the growth of bacteria, mold, and yeast. They have been optimized for color retention in both indoor and outdoor applications, and are offered in individual containers, in custom blends with liquid colors, or as part of the company’s GlobalPlus range of sealed liquid additives. +Clean AM-139 is for use with PE and PP at 0.2 to 0.4% letdowns’ and AM-150 is for use with engineering resins at letdowns of 0.3 to 0.5%.  End-uses include housewares, consumer electronics, healthcare devices, and other products in applications susceptible to microbial attack.

Search for more on Riverdale Colors and antimicrobials in PT’s additives database