Dow Polyurethanes fast-cure resins featured in composite manhole cover

Developed by Italy-based firm Industrie Polieco and Dow Polyurethanes, the KIO line of composite manhole covers is made with Dow's VORAFORCE fast-cure LFI polyurethane system.

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Dow Polyurethanes (Midland, Mich., USA), a business unit of The Dow Chemical Co., announced on Oct. 10 that its resin has been used to manufacture a new line of manhole covers introduced by Industrie Polieco MPB (Cazzago S. Martino, Italy). The composite manhole covers, dubbed KIO, are designed to help governments and communities meet their sustainability targets and address weight, noise and theft issues.

KIO is the result of a two-year development between Dow and Industrie Polieco MPB. It features VORAFORCE fast-cure LFI polyurethane systems from Dow. KIO is approved according to EN 124 standard and has achieved TUV certification. It also offers a fast curing speed that is critical to addressing manufacturing demands.

Compared to cast iron manhole covers, KIO covers weigh 70 less, offer magnetic insulation, noise reduction, innate resistance to corrosion and 13 to 48 percent lower CO2 emissions. Luigi Tonelli, chairman of Industrie Polieco, says, “We believe KIO will set the new industry standard for manhole covers in civil and industrial infrastructure, thanks to its quality and advantages.” 

More information on KIO can be found at