Here’s How to Apply Release Agents At the plant or at the paving site, proper asphalt release agent use saves money By Sandy Lender
The spray system for the in-the-field innovation that R&D’s client developed uses one nozzle at the top of the miller’s conveyor to deliver diluted release agent to the truck beds before they accept millings.
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se of diesel fuel as a cleaner is not only expensive, harmful to the properties of asphalt mix and harmful to the environment; it’s illegal in all 50 states. That’s why many companies have spent time and money designing release agents that clean tools and keep sticky mixes from piling up in truck beds or on plant equipment. It’s why departments of transportation and independent testing labs have dedicated hours and staff to testing the safety and efficacy of different agents asphalt professionals can purchase. It’s also why AsphaltPro is going to share some concepts and clever delivery methods with readers here. Global Barrier Coatings, Inc., San Clemente, Calif., recently completed the testing process for its 38 January 2013
product, GBC ARA, which is a vegetable-based agent containing no water. Mike Siebes of Global said the agent has the viscosity of olive oil and one pint is sufficient for a dump bed to carry three loads of mix without getting carryback. The more the GBC ARA is used in the truck bed, the more the bed becomes saturated with the product and the slippier it gets. Econopave 1000, a soap-based product from R&D Asphalt Products, Ft. Wayne, Ind., works much the same way. Dave Fogg of R&D explained that the more often the product is used, the more effective it becomes because it builds a bond with the truck bed or other equipment it’s applied to. In fact, he gave an example of a client in Cincinnati who will remain anonymous using