Bond traffic mekp hardener is specifically formulated for use with loop sealants. Use our hardener with 2-part polyester loop sealants, such as Bond flexible traffic detector loop Sealants, to complete the chemical curing process. Bond traffic mekp hardener has been formulated to deliver the best results when used with Bond flexible traffic detector loop sealants. Our hardener is made with the highest quality raw materials. This product is available in your choice of easy to dispense 12 oz bottles, 16 oz bottles or gallon size containers. A specialty sealer for traffic detector wires. Bond flexible traffic detector loop sealants area two component polyester compound that is highly durable and remains permanently flexible. This loop sealant can withstand the corrosive effects of road salts, automotive fluids, jet fuel, gasoline and extreme weather conditions. It also features rapid chemical curing, which minimizes the length a lane is closed, and superior adhesion to concrete and asphalt. Excellent adhesion on cement and concrete. The sealer offers excellent adhesion to cement and asphaltic concrete. Reliable adhesion is essential to maintain the integrity of traffic control systems.