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4 Οκτ 2023 · The calcium chloride test is a widely used method for measuring the moisture vapor emission rate (MVER) of a concrete slab. It involves placing a sealed container with a specific amount of calcium chloride on the floor and leaving it for a certain period, typically around 72 hours.
14 Ιουλ 2023 · The ASTM F1869 standard provides the guidelines for conducting the calcium chloride moisture test, used in measuring the moisture vapor emission rate (MVER) for concrete subfloors. This test can be done using the calcium chloride moisture test kit which is readily available for about $20.
Q - What happens if I run the calcium chloride test over 72 hours? A - Depending upon the moisture emission volume, the test can stop recording meaningful information when the dish of desiccant becomes totally saturated.
23 Σεπ 2024 · ASTM International has provided several standards related to testing moisture conditions with two different test methods before installing flooring over a concrete slab: in-situ probes (ASTM F2170) and calcium chloride testing (ASTM F1869).
17 Ιουλ 2023 · A definitive test that measures the amount of moisture released from the concrete requires a calcium chloride kit or a relative humidity meter. Testing with either method will tell you precisely how much moisture is present, making it possible to choose surface flooring that is appropriate.
Calcium Chloride Moisture Test Procedure. 1. plan your test carefully. Before you test, make sure you have basic tools for cleaning the slab including a scraper and wire brush. Make sure you have a quality gram scale and a proper supply of test kits.
Calcium chloride test quantifies the moisture vapor emitted from the slab. This test has long been the standard in the United States where as the relative humidity (RH) test measures moisture conditions inside the slab.
