ASTM D6137 Sulfuric Acid Resistance of Polymer Linings 

    What is ASTM D6137?

    ASTM D6137 is a standard test method that evaluates the sulfuric acid resistance of polymer linings for flue gas desulfurization systems. The purpose of this test method is to determine the combined effects of heat and sulfuric acid exposure on a lining system applied to a carbon steel substrate. This test method examines the primary failure mechanisms of linings when they are applied on square test panels and cycled from ambient temperature to a predetermined increased temperature. For ASTM D6137 (Standard Test Method for Sulfuric Acid Resistance of Polymer Linings for Flue Gas Desulfurization Systems), the recommended test temperatures of 200°F and 350°F are based on average maximum working zone temperatures in flue gas desulfurization systems. 

    ASTM D6137 Sample Preparation Guide

    According to ASTM D6137, the test panels used in the technique must be new and made of commercial-quality carbon steel with a minimum thickness of 6 mm and a square size of 200 mm. 

    What are the Testing Procedure and Requirements for the ASTM D6137? 

    The oven is preheated, and the lower portion of the test panel is immersed in sulfuric acid for one hour for the ASTM D6137 test. The test panel is then removed and dried properly at laboratory temperature for about 15 minutes. The test panel is then vertically placed in the preheated oven and left there for 15 to 17 hours. After each exposure interval, the panel is removed and set aside to cool. The cycle starts all over again. The panels are examined, and the findings are recorded after 1, 2, 5, 10, 20, and 30 cycles in line with ASTM D6137. Depending on the panel state and test objectives, the test may be stopped after 30 cycles or as required. 

    Analysis Results and Interpretation

    The ASTM D6137 test technique for sulfuric acid resistance of polymer linings for flue gas desulfurization systems is a standard test method. The ASTM D6137 test results can be combined with other test techniques to choose a liner for surfaces in flue gas desulfurization (FGD) systems that will be exposed to hot unscrubbed flue gas or scrubbed gas that has been warmed considerably above the water dew point.

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    FAQ

    Where can I get the astm d6137 tested?
    You can share your astm d6137 testing requirements with MaTestLab. MaTestLab has a vast network of material testing laboratories, spread across the USA and Canada. We support your all material testing needs ranging from specific astm d6137 test to various testing techniques.
    Please contact us for a detailed quote for your astm d6137 testing needs. Cost incurred to carry out different astm d6137 testing methodology depends on the type of raw material; number of samples, coupons, or specimens; test conditions, turn around time etc. Costs of some ASTM testing methods start from $100 and the final value depends upon the factors listed above. Please contact us for the best and latest prices.
    The required number of samples or specimens should comply with the procedure given in the astm d6137 standard. However, the MaTestLab operations team can assist you for your special requirements once you share your testing details with us.
    MaTestLab has a vast testing laboratory network, hence we bring you the best testing facilities in a cost-effective way. We offer considerable discounts (15-20%) to our returning customers based on test volume and frequency.
    The turnaround time for astm d6137 test methodology depends upon the test procedure mentioned in the standard test document. However, we at MaTestLab understand your research requirements and hence try to get your test completed within the least possible time.
    Gokula Srinivasan Selvam
    About Author
    Gokula Srinivasan Selvam
    Gokula Srinivasan Selvam is a Material Testing Associate at MaTestLab Inc. and holds a postgraduate degree in Ceramic Engineering from IIT (BHU), Varanasi.
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