The Potential of Sumatran Pine Rosin for Reinforcement-Steel Coating in Wet Environment
DOI:
https://doi.org/10.21776/ub.jpal.2018.009.01.03Abstract
The corrosion of reinforcement-steel is commonly prevented by applying hydrophobic coating. In this work, the potential of residual product from Sumatran Pine sap distillation, known as Sumatran pine rosin or gondorukem, as a natural and environmentally-friendy resource to coat reinforcement-steel, and an initial assessment on its capability to prevent the corrosion in wet environment were investigated. The experiments were performed using two types of commercially available gondorukem, namely type T and U. The coated reinforcement-steel samples were immersed in collected rainwater and their physical changes were observed periodically for 60 days. The results showed that gondorukem improve the durability of the reinforcement-steel from corrosion in a severe rainwater contact.
Keywords:Â corrosion, coating, gondorukem, hydrophobic, pine rosin, reinforcement bar
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