Zinc-based Additives

The Broad Spectrum Antimicrobial Solution

Request Consultation

The Need for Antimicrobial Solutions

Many common products exposed to moisture or humid environments—from yoga mats and kitchen gadgets to toilet seats and flooring - provide excellent breeding grounds for mold, mildew, and bacteria. When left uncontrolled, those unwanted organisms can harm the products, leading to premature degradation, stains and odors.

Disinfectants help, but do not provide continual protection. In addition, they may contain harsh chemicals, including bleach and peroxide, which come with a long list of risks. Fortunately, there’s a better solution. Zinc-based additives that are incorporated into the actual material from which products are made will work in concert with routine cleaning to keep surfaces cleaner on an ongoing basis.

Zinc-based Antimicrobials: The Broad Spectrum Antimicrobial

Unlike other antimicrobial substances such as silver and copper, zinc-based additives are broad spectrum antimicrobials, effective against not just bacteria but also the growth of fungi including mold, mildew and algae.

Zinc pyrithione which was first developed in the 1930s for its antifungal and antibacterial properties, and it is still commonly used antimicrobial solutions today as a main ingredient in anti-dandruff shampoos and as an over-the-counter treatment for seborrheic dermatitis, psoriasis, eczema, athletes’ foot, ringworm and other medical conditions. Zinc pyrithione is also used in paints, textiles and polymer products to inhibit the growth of bacteria and fungi on susceptible surfaces.

Zinc-based additives and other antimicrobial solutions are not designed to replace a disinfectant, but rather complement and extend the effectiveness of standard chemical disinfecting routines, adding another level of antimicrobial defense in the fight against bacteria, mold and mildew. Zinc is FDA approved as a treatment for dandruff and other fungal infections at high levels, and at low levels (below 1000 ppm) it is registered with the US Environmental Protection Agency (EPA), the Biocidal Products Regulation in Europe (BPR), and the Food and Drug Administration (FDA) as safe to use in a variety of applications, including those that come in contact with food.

Discover Microban Antimicrobial Treatment Applications

Microban Zinc-Based Additives: ZPTech®

Our innovative ZPTech is a broad spectrum antimicrobial, with multiple modes of action against bacteria and fungi to prevent microbes from adapting and developing resistance against it.

  • ZPTech antimicrobial zinc technology offers a low solubility (8 ppm), making it a very durable antimicrobial
  • Durability testing shows that polymers soaked for 2000 hours at 70°C in a detergent bath containing 3000 ppm ZPTech remained 99.99% effective in preventing the growth of Klebsiella pneumoniae, a gram-negative bacteria associated with hospital-acquired infections
  • The thermal stability of ZPTech makes it suitable for use in a variety of manufacturing applications and materials used in moist, humid environments such as cleaning sponges, caulks and sealants, cement, polyolefin film liners (often used in lunchboxes), commercial cleaning trolleys and buckets, and paints and coatings.
  • ZPTech technology is constantly active on the surface of treated products. It is incorporated throughout the material during the manufacturing process, so ZPTech remains effective even if an object is nicked, scratched or abraded in use
  • Microban ZPTech encapsulates zinc pyrithione in customized carriers, making it safe to handle while causing no disruption to current manufacturing processes

Black Mold in Tile Grout & tile

common mold growing on grout and tile surfacesMicroban mold resistant technologySame material treated with Microban Zinc technology

Antifungal Treatments for Mold Prevention

Microban® offers a variety of antifungal protections that are built-in to products such as caulks and sealants, paints and coatings, and cement. These targeted solution technologies are time tested and proven to offer superior mold prevention on surfaces. When mold and mildew come in contact with product surfaces, Microban Antifungal technology penetrates the cell wall of the microbe and disrupts key cell functions so that the microbe cannot function, grow or reproduce.

What is Fungus?

Early fossil records suggest that fungi have been on Earth for over a billion years, and some experts estimate that today over 1.5 million fungus species exist. Common fungi include mushrooms, puffballs, truffles, yeasts and most mildews. Fungi are commonly referred to as mold and begin life as microscopic airborne spores that germinate on contact with the surface of a nonliving organic matter where moisture is present. Mold is then able to penetrate the organic material, secreting enzymes and absorbing water and the digested sugars and starches from the nutrient source.

Mold spores are present everywhere in our indoor and outdoor environment and many of the products found in our homes provide rich nutrient sources. The best defense is prevention: control moisture in your home including high humidity levels and look for antifungal protection products that resist the growth of mold.


Microban fungal testing lab performs a wide range of industry standard test methods to validate antifungal efficacy. Samples can be evaluated utilizing nutrient challenge protocols or in the fungal chamber, which simulates environmental conditions using the AATCC Test Method 30, Part III. 

All products engineered with Microban Antifungal Protection undergo extensive testing in our microbiology and chemical analysis labs. In addition, Microban technology has been proven effective in over 20,000 tests at over 27 independent laboratories around the world. Using industry standard testing methods, the samples below demonstrate the effectiveness of Microban technology against bacteria that can cause stains, odors and product deterioration.

Microban is committed to environmental stewardship. We utilize low- and no-VOC products, non-formaldehyde formulations and recycled materials to ensure our products comply with applicable environmental regulations, such as Restriction of Hazardous Substances (RoHS) and REACH, when used as directed and in the nations where they are sold. Integration of Microban zinc additives is simple and seamless and does not disrupt existing manufacturing processes. Our engineers develop and test customized formulations of zinc pyrithione for each individual product. These custom formulations are tested with your own materials both for antimicrobial effectiveness and to ensure that our antimicrobial zinc additives will not degrade or decrease the aesthetics or function of any part of your product.

Let's Get Started

Microban will work with you to ensure that the solution we deliver fits the desired antimicrobial performance and mold prevention criteria through our state-of-the-art microbiological and analytical chemistry test facilities, and regulatory laws in your particular country. In addition, our global network of technical specialists is available to address processing issues if they arise, while our customer service specialists are experienced in export/import, shipping and customers clearance to ensure timely delivery of our antimicrobial products to the manufacturing site of your choice.

Contact a member of the Microban team today to enhance your product line with Microban antifungal and zinc antimicrobial technologies.

Innovation Serving Unmet Needs

No matter what material you're seeking to treat, we are here to explore your specific application criteria and will create the customized solution that aligns with your specific vision and business. Our product portfolio is one of the broadest in the industry – with over 25 technology platforms and over 100 unique proven solutions to cover the needs of partners and prospects across Commercial, Consumer, and Healthcare spaces.

When you work with Microban, our best in class Research & Development team can deliver tailored solutions for any application or customer need for which we do not have a ready and proven solution. We value our partners all around the world and we are committed to offering innovations that serve unmet needs.