Method enhancing LSR with antimicrobial properties in industrial TRIALS

Parx Plastics NV (Euronext: MLPRX) has finalized the structuring of a separate entity to market antimicrobial technologies for silicone materials.

Silaritiy NV, a Dutch entity founded in 2017, becomes part of Parx Plastics NV after a restructuring of the shares in Silarity. Parx Plastics acquired a majority of the shares in Silarity. Silarity is dedicated to manage, market and sale bio-derived technologies for silicone materials starting with antimicrobial technologies based on or derived from the Parx Plastics patents and knowhow.

The unique technology developed by Parx Plastics makes use of a biocompatible bodies own trace-element improving the materials mechanical/physical properties making it more resistant to bacteria. By preventing bacteria and biofilm adhesion and proliferation an antimicrobial performance is obtained by 99.9% measured according to ISO 22196. Preventing adhesion keeps the surface of the product cleaner and more hygienic. It can also prevent discoloration, bad smell and in the end, improve the lifespan of the overall product.

Sample from earlier trials with antimicrobial technology in LSR materials.

Sample from earlier trials with antimicrobial technology in LSR materials.


With the antimicrobial technology for Liquid Silicone Rubber (LSR) moving towards the next trials in industrial scale application the launch of this material comes in-sight. The testing is performed with a large OEM manufacturer of silicone products. This party sees good opportunities with the technology in their products and therfor has co-invested in this development. Tests are expected to last throughout the remainder of 2019.


LSR is a high purity platinum cured silicone with low compression set, great stability and ability to resist extreme temperatures of heat and cold ideally suitable for production of parts, where high quality is a must. Chemically, silicone rubber is a family of thermoset elastomers that have a backbone of alternating silicon and oxygen atoms and methyl or vinyl side groups. Silicone rubbers maintain their mechanical properties over a wide range of temperatures and the presence of methyl-groups in silicone rubbers makes these materials extremely hydrophobic. By adding an improved hygiene to the material that often comes in contact with human skin, food or water is adding value and additional safety to the end product.

Typical applications for liquid silicone rubber are products that require high precision such as seals, sealing membranes, infant products where smooth surfaces are desired, such as bottle nipples, medical applications as well as kitchen goods such as baking pans, spatulas, etc.

The global LSR market is projected to reach USD 3.82 Billion by 2026 at a CAGR of 8.3% from 2016 to 2026. The mayor players in this field are Dow Corning (U.S.), Wacker Chemie AG (Germany), Shin-Etsu (Japan), Bluestar Silicones (France), and Momentive Performance Materials (U.S.).


For question with regards to the LSR development or requests for partnerships, please contact:

Silarity NV

Parx Plastics