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SoyPower Asphalt Release Concentrate reportedly is more effective than diesel fuel, detergent, or pine- and citrus-based products in field tests.
The biodegradable soybean-based product prevents asphalt from adhering to most surfaces. It also removes asphalt from tools and paving equipment and can be used to pretreat chains and sprockets, keeping components clean and lubricated, which extends their life.
The Iowa Soybean Association and Promotion Board have promoted the product, manufactured by Interwest and marketed by West Central Cooperative, Ralston, IA.
