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Antimicrobial Coatings

Antimicrobial Coatings
Ultrasonic Antimicrobial Coating Systems for Medical and Industrial Textiles


Sono-Tek ultrasonic spray systems are used to apply antimicrobial coatings in several markets, including medical device coatings, textile coatings, food packaging, and by the Department of Defense and Homeland Security. Surgical masks, gloves, bandages, wound dressing, hospital textiles, surgical gauze, as well as carpeting and other various woven and non-woven textiles, are just a few of the surfaces that can be sprayed with uniform nanolayer antimicrobial solutions and suspensions using ultrasonic spray technology. Uniform nanolayers of antimicrobial solutions including silver silane, silver nitrate, or other antimicrobial solutions inhibit the growth of bacteria, providing superior infection protection. Medical ultrasonic coatings are effective for reducing the risk of (Hospital Acquired Infections) HAIs.

Any Sono-Tek ultrasonic nozzle can be used to apply antimicrobial coatings. The WideTrack wide area coating system is commonly used to spray wide area substrates and moving webs of materials such as fabrics with nanolayers of antimicrobials. The thickness and concentration of coatings can be easily controlled and adjusted to maximize durability and efficiency. Several nozzles are used together to create any width needed, with high uniformity of the coating across the entire web.

Antimicrobial Coating Comparison

Sono-Tek ultrasonic coating systems are unique, using patented ultrasonic nozzle technology to produce very small, uniform droplet that have a very tight drop distribution. The nozzle orifice is large compared to pressure nozzles, and is designed to be a non-clogging, pressureless spray device. This makes it possible to spray at a wide range of flow rates, and apply very thin coatings that are highly uniform, saving spray material and improving the quality of medical coatings while enhancing patient safety through more uniform antimicrobial coatings.

Antimicrobial Coating Nozzle

Benefits of Ultrasonic Spray Systems for Antimicrobial Coating:

  • Self-cleaning ultrasonic nozzle prevents clogging
  • Atomized spray is highly effective with minimal use of material (far less than soaking or other application methods)
  • Uniform thin film ensures maximum effectiveness of applied material
  • Flexible width control for various width substrates
  • Can be configured for one side or dual side application
  • Spray up or spray down capability
  • Precise coating allows for uniform release of antimicrobial compound onto applied surface
  • Wide range of flow rate capabilities

Nozzle systems for antimicrobial coatings can be integrated with WideTrackVortexImpact and AccuMist air shaping systems. The type of nozzle and air shaping system used is application dependent. Often systems are customized to suit a customer’s particular application needs. Sono-Tek works closely with customers to determine the best equipment for each application, providing full coating solutions. We have been providing precision medical device coating systems for over 25 years to medical and industrial textile manufacturers around the globe. For more information regarding ultrasonic spray systems for medical textiles, go to http://www.sono-tek.com/medical-textilesbandages./



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