Patented Antimicrobial Technology

With a broad range of applications and products, our antimicrobial technology provides durable protection against harmful bacteria, viruses and fungi.

The Chemistry

SiShield’s core technology is based on the use of quaternary ammonium silicone (“SiQAC”) compounds as the antimicrobial agents, either in solvent or in aqueous and stable solutions.

By making these compounds water based systems, they become non-flammable and require no solvents for dilution nor any special handling, are uniformly dispersible on almost any surface, and are simple and economical to use because of their extended shelf-life (at least a year vs. a week). Unlike similar antimicrobial products, these characteristics make these compounds and products ideal for use in a wide range of industrial and institutional, household, OEM, medical applications and more.

When the ammonium salts are reacted with certain organosilanes they form an integrated system, and when this system is applied to any surface, it forms an invisible (one molecule deep) and durable (through ion exchange and rapid polymerization) antimicrobial protection. These compounds possess powerful antimicrobial properties which make them very effective against gram-positive and gram-negative odor-causing bacteria, durable and long lasting for months, and valuable and useful for a variety of surfaces, substrates, instruments and applications. SiShield’s antimicrobial technology has been employed to protect everyday consumer goods, or to protect almost any surface against odor-causing microbial contamination.

The core technology contains no heavy metals, formaldehyde treatment, or phenol groups. Unlike other antimicrobial materials, extensive studies performed by many other companies have shown the above chemistry does not allow or cause microbial adaptation, resistance, mutation, diffusion or migration. It is significantly different from conventional sanitizers, disinfectants or biocides that can be very toxic and contaminate the environment with undesirable chemicals. Some of the differences are in its chemical nature, effectiveness, durability and safety. This technology has a unique advantage over all previously known methods and applications: the antimicrobial component material is bonded to the cell or surface. Microorganisms are then destroyed by simple contact with the surface. SiShield antimicrobial products bond to almost any surface, creating almost unlimited applications for our breakthrough technology.

Powerful Combination 7 3 132

Mode of Action and Function

Cell Inhibition Cycle


1. Upon application, the organosilane (Si-QAC) creates a durable and long lasting bond to almost any surface.


2. Microbes are attracted to the surface and to the positively charged nitrogen.


3. Microbes are destroyed by the combination of the carbon long chain and the positive nitrogen charge.


4. Inhibition Cycle is then permanently repeated as long as the Si-QAC is active on the treated surface.

SiShield vs. Traditional Antimicrobials

SiShield Comparison Chart