The GB/T 11185-2009 standard specifies a test method for evaluating the cracking or disbonding performance of Paints and varnishes when bent around conical mandrel. This method is used to test the flexibility and adhesion of coatings under standard conditions. For multi-coating systems, each coating can be tested separately or as a whole to ensure that the overall performance of the coating meets the requirements.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
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