Kalmatron Corporation: Reinventing Concrete from a Quiet Corner of South San Francisco

Tucked away on 276 Michelle Ct in South San Francisco's East Side industrial zone, Kalmatron Corporation doesn't look like the kind of place that would revolutionize the global construction industry. There are no gleaming corporate towers here, no billboards along the freeway—just a research and production facility where a small team of scientists and engineers has spent decades perfecting what they call "Inventions of the 21st Century." But step inside, and you'll find one of the most innovative concrete technology companies on the planet.

From Siberia to Silicon Valley

The Kalmatron story begins not in California, but in the Russian Far East. In 1982, Dr. Alex V. Rusinoff discovered a new concept in cement chemistry that would eventually upend conventional thinking about concrete performance. His theory—dubbed "Rusinoff's Osmotic Oscillator"—explained how altering the gel-crystalline ratio in cement structures could dramatically improve concrete durability.

By 1990, experimental validation of this theory was published by Dundee University in Scotland, lending academic credibility to what had started as a lone inventor's obsession.

Dr. Rusinoff formally founded Kalmatron Corporation in 1994 in Khabarovsk, Russia, and first production began in 1992. Nearly a decade later, in 2003, the company opened its first U.S. plant and established its headquarters in South San Francisco, bringing its revolutionary concrete admixtures to the American market.

The Science Behind the Concrete

At the heart of Kalmatron's technology is a deceptively simple idea: make cement hydrate more completely. Their flagship product, KF-A, is a powder admixture that accelerates the decay-hydration of cement grains from 100 micrometers down to just 10 micrometers during the first 20 minutes of mixing.

The result? Concrete that is denser, stronger, and fundamentally different from conventional mixes. Kalmatron concrete boasts 100% waterproofing, a complete absence of shrinkage cracks, and dramatically increased resistance to environmental and chemical corrosion.

Even more remarkably, KF-A makes it possible to completely replace silica fume and microcements at a fraction of the cost—while delivering superior performance.

A Product Line for Every Challenge

Kalmatron doesn't sell one-size-fits-all solutions. The company has developed over 15 different powdered and liquid admixtures, each engineered for specific construction challenges:

• KF-A: The "Swiss Army Knife" of concrete admixtures—water reducer, plasticizer, waterproofing agent, shrinkage controller, curing compound, corrosion inhibitor, and strength accelerator all in one. It's even NSF-registered for safe use with food and drinking water.

• K100®: The liquid version of KF-A, ideal for smaller batch sizes and projects using salty aggregates or seawater as batching water.

• KF-SEA: Designed specifically for salt-contaminated sand and gravel, offering the highest resistance to corrosion and liquid impermeability.

• KF-K: A fast-setting road patching compound that gets traffic moving again in just 1.5 to 4 hours.

• KF-D: An earth material sealant for dust control and soil stabilization.

• KF-C: A rapid-setting plug that stops pressurized leaks instantly.

• KF-aBy: A radiation shielding material for specialized applications.

Where Kalmatron Concrete Goes to Work

The applications read like a catalog of civilization's most demanding infrastructure projects. Kalmatron products have been used in road construction and repair, precast concrete production, parking lots, swimming pools, emergency shelters, domes, agricultural and chemical plant facilities, sewer systems, wastewater treatment plants, dams, hazardous waste storage facilities, marinas, piers, and foundation slabs.

The company also produces protective and waterproofing coatings that penetrate up to 6 inches (150 mm) into concrete and masonry, providing both liquid and vapor impermeability. For aging structures, their regenerative sprays can actually restore deteriorating concrete rather than requiring costly replacement.

Global Reach, Local Roots

Despite its international presence—Kalmatron operates through appointed agencies and companies worldwide, with distribution in countries including China, France, Germany, Italy, Japan, Russia, Saudi Arabia, and Spain—the company maintains its headquarters and research division at that unassuming address on Michelle Court.

Patents for the core technology are registered in the United States (#5,728,208 and #5,728,428), and product specifications are published by ARCAT, the official U.S. construction specifier.

Plan Your Visit

Kalmatron Corporation is located at 276 Michelle Court, South San Francisco, CA 94080-6201. The company's phone line is +, with fax at * and email at helen@kalmatron.com. Technical support—including custom mix designs—is available Monday through Saturday.

Whether you're a contractor looking to eliminate shrinkage cracks, an engineer designing a structure for a corrosive environment, or a municipality seeking longer-lasting roads, Kalmatron offers something rare in the construction world: technology that actually lives up to the hype.

Kalmatron Corporation | 276 Michelle Ct, South San Francisco, CA 94080-6201 | Phone: