Compounding Solutions

Antimicrobial Masterbatch

Compounding Solutions LLC – based in Lewiston, Maine, USA – is a global leader in the manufacturing of custom medical polymer compounds, color masterbatches, and additive masterbatches for extrusion and injection molding for use in Class I, II, and III medical devices.

The company was started in 1999 with purpose of providing high-quality custom polymer compounds to the global medical device industry and beyond. Compounding Solutions continues to experience tremendous growth on the global stage and now operates out of a 120,000 square foot facility with 11 twin-screw compounding lines.

The facility also includes a state-of-the-art 4,000 square foot quality and research and development lab with an array of testing capabilities that offers customers the opportunity to partner with the company’s engineers and material specialists to develop custom materials and formulations for even the most highly sensitive applications. Compounding Solutions can assist with materials selection, sourcing, and color selection to meet the latest regulatory requirements from the beginning of the design process.

Custom formulation capabilities include:

  • Radiopaque compounds
  • Pre-colored
  • FDA 21 CFR 73 Subpart D compliant colors
  • Antimicrobial
  • Reinforced
  • Fluoropolymers
  • Custom Elastomers


Compounding Solutions have partnered with BioCote® to offer Defend Rx antimicrobial masterbatches* to the medical device and wearables industries to help control the growth of microbes on vital devices, equipment, and accessories. In addition to custom formulated polymer compounds in a large range of plastic resins, the company also offers other internally developed product lines, including:

  • Mobilize lubricious, low friction compounds
  • Boost RO radiopaque compounds
  • PurTone Rx medical color concentrates
  • ReZilient elastomers