Antiviral Treated Articles

Learn More About Antiviral Claims



Protecting your products since 1955

Learn More About Us


Antimicrobial Additives

Protect your products from stains, odors and degradation

Learn More About Ultra-Fresh


High-Performance Antimicrobial Technologies

Used by the world’s leading brands, our Ultra-Fresh and Silpure antimicrobial products control the growth of odor and stain-causing bacteria, mold, and mildew in consumer and industrial products.

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.

Learn More

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.

Learn More

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.

Learn More

Who We Work With

A global leader in antimicrobial protection, Thomson Research Associates (TRA) was established more than 65 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.

Learn More

See What’s Fresh

Learn more via our informative blogs

How to Wash a Pillow

Comfort, fluffiness, and support. Pillows offer us so much to love! But, if you don’t take care...

Can Mold Grow on Plastic?

We are a society that loves our plastic. Producing over 300 million tons every year, plastic appears...

Antibiotic vs Antimicrobial

The words antibiotic and antimicrobial are often used interchangeably.  Do they really mean the same thing?  If...

How Long Do Germs Live on Surfaces?

Germs and microorganisms exist in every nook and cranny of the world. From the frozen glaciers of...

How to Get Rid of That Musty Towel Smell!

We’ve all been there. You wake up chipper and ready to tackle the world. You get out...

Water Storage Tanks with Antimicrobial Technology

On July 28th, 2010, the United Nations General Assembly recognized the human right to water and sanitation....

View All Blog Articles