Antimicrobial Expertise

Protect your products from stains, odors and degradation

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High Performance Antimicrobial Technologies

Used by the world’s leading brands, our Ultra-Fresh and Silpure antimicrobial products control the growth of unwanted microbes in consumer and industrial products.

Offering odor control and protection from staining and product degradation, Ultra-Fresh and Silpure antimicrobials offer manufacturers a cost-effective solution for maintaining product quality while extending the life of textiles, plastics, carpets, foams, coatings, and more.

Who We Are

Antimicrobial Applications

By offering a broad selection of antimicrobial additives, we always have the right formulation for your products.

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Silpure is a textile finish containing ultra-fine crystals that release silver ions at a controlled rate. Silpure provides built-in protection from unwanted odor-causing bacteria.

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Why work with us?

Expert, thorough, and timely technical service are key reasons manufacturers and brands from around the world place their trust in Ultra-Fresh antimicrobial additives.

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Who We Work With

A global leader in antimicrobial protection, Thomson Research Associates (TRA) was established more than sixty years ago in Toronto, Canada.

Today, our Ultra-Fresh and Silpure antimicrobial products are used by hundreds of manufacturers in more than 50 countries around the world.

How Antimicrobials Work

Discover how our antimicrobials inhibit the growth of unwanted microbes.

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See What’s Fresh

Latest News and Blog

Welcome to Our New Site!

We are pleased to announce the launch of our redesigned website! We’ve created a more user-friendly experience...

Pink Stains On Vinyl: A Problem

Updated March 21, 2019 to include information regarding pink stains on linoleum floor (please see further down...

3 Ways Antimicrobials Help With Conservation

In honour of the 48th Annual Earth Day, we want to explore 3 ways antimicrobial additives help...

Antimicrobial Companies: Find the Best One to Work With

Updated February 14, 2019 Companies interested in antimicrobial additives now have a lot of options. With an ever-increasing...

Antimicrobial Textiles: The Benefits

Updated February 04, 2019 Antimicrobial additives have long been used in the textile industry, to the benefit of...

Antimicrobial Masterbatch for Plastics & Polymers

Updated February 14, 2019 When plastics manufacturing started to take off many years ago, it seemed like a...

Antimicrobial Treatments for Sports Equipment

Everyone has experienced the dreaded stench of well-used sporting equipment. Whether it’s the hockey bag that stinks up...

Antimicrobial Socks: What They Are & Why You Need Them

Updated February 14, 2019 Being plagued with smelly feet can be personally embarrassing and off-putting to those around...

An Introduction to Microorganisms

Microorganisms, as suggest by their name, are microscopic organisms, otherwise known as microbes.  So, what is a...

Dust Mites: What They Are & How to Prevent Them

A tiny creature living in your home might be making big problems for you. If you have...

Difference Between Antimicrobial and Antibacterial

The terms “antimicrobial” and “antibacterial” are often used interchangeably, however, they do have rather different meanings! Would you...

Mold or Mould: What is the Difference?

Mold vs Mould?  Which one is correct? Well, whether you would spell it mold or mould really depends...

Antimicrobial Agents: What Are They?

Antimicrobial Agents Definition: An antimicrobial agent is defined as any substance that kills or inhibits the growth of...

Shocking Reasons Why There is Mold in Your Dishwasher

It can be tempting to believe that every time your dishwasher runs through a cycle, it gets...

Why Your Car AC Smells Bad and How to Fix It

Your cars’ air conditioning unit is a vitally important system in terms of making your driving experience...

Symptoms of Black Mold: Is it Dangerous?

Before we answer the questions "Is black mold dangerous" and "What are the symptoms of black mold?",...

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