Bio-San C500 - For Maximum Protection of Concrete in Severe Sewage Conditions

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Jan 07, 2021

Xypex Bio-San C500 is a unique way of protecting concrete in harsh sewage conditions with high levels of hydrogen sulphide that cause microbial induced corrosion. No other admixture combines potent antimicrobial properties with Xypex crystalline waterproofing technology to offer complete protection of concrete sewer and wastewater structures.

Xypex Bio-San C500 contains mineral solids that remain permanently fixed within the concrete throughout the life of the sewage structure. These kill acid-generating microbes such as Thiobacillus that proliferate in high H2S conditions thus preventing microbial induced corrosion (MIC). Combined with Xypex’s proven crystalline technology, Bio-San C500 will protect concrete from infiltration and exfiltration as well as resisting acid and sulphate attack. After placement and curing, the crack-healing properties of Xypex will continue to function throughout the service life of the concrete.

As with all Xypex Admix products, Bio-San C500 is added at the time of concrete batching, avoiding the potential quality issues of liners or coatings and eliminating schedule delays for surface preparation. As a one-component product, Bio-San C500 simplifies the production process for pre-cast structures.



Xypex Bio-San C500 is recommended for use in sewage systems especially in areas where H2S gas is likely to accumulate. This includes sewer lines with long retention times (flat, long, low flow) and sealed or unvented manholes. It will also include areas of high turbulence such as lift stations, drop structures, force main outflows and head works as well as various areas within wastewater treatment plants.

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