9. Test Cycles
9.1 The duration of the test should be selected based on the relevant standards for the materials or products being tested. If no specific standard exists, the test period can be determined through mutual agreement between the parties involved.
Recommended test durations include 2 hours, 6 hours, 24 hours, 48 hours, 72 hours, 96 hours, 144 hours, 168 hours, 240 hours, 480 hours, 720 hours, and 1000 hours. These time intervals are commonly used in various industries to evaluate corrosion resistance under controlled conditions.
9.2 During the specified test period, the spray must not be interrupted. The salt spray chamber should only be opened briefly when necessary for visual inspection of the samples. Any unnecessary opening may affect the consistency and accuracy of the test results.
9.3 If the test is stopped once corrosion begins, the samples should be checked frequently. Therefore, these samples should not be tested alongside those that require a fixed test duration, as it could interfere with the integrity of both testing processes.
9.4 For specimens scheduled for a set test period, periodic inspections are allowed. However, during these inspections, care must be taken not to damage the test surface. Additionally, the frequency and duration of opening the salt spray chamber should be minimized to maintain test reliability.
It is important to follow these guidelines strictly to ensure accurate and repeatable results. The salt spray test chamber, such as those complying with GBT 10125-2012, plays a crucial role in simulating real-world corrosive environments. Proper adherence to test cycles helps in evaluating the long-term performance and durability of materials under harsh conditions.
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