White Calcium Chloride (CC) Moisture Test Kit

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White Calcium Chloride (CC) Moisture Test Kit

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American Moisture Test provides high-quality Calcium Chloride Moisture Test Kits. We design our calcium chloride moisture tests to follow the exact specifications in the ASTM F1869.

AMT Calcium Chloride (CC) Instructions

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Calcium Chloride vs. Relative Humidity

ASTM F1869
F1869 Standard Test Method for Measuring Moisture Vapor Emission Rate of Concrete Subfloor Using Anhydrous Calcium Chloride.


Use This concrete moisture test is used to collect the water vapor emission escaping from a concrete floor. The test is set on the floor surface for 60 to 72 hours and used to verify emission levels from the concrete. The results are comparied with the moisture emission levels each floor covering, coating, patching and primer manufactures requires before the products are installed. Often floors are sealed using a vapor emission sealer product and the moisture emission test is used to verify moisture readings are acceptable before installing floor products. Test History Developed by the US Rubber Manufactures Association (RMA) in the 1950’s, this test method was released as ASTM F1869 in late 1998 and remains the most widely used test method for testing. Limitation All concrete substrate testing requires temperature and humidity of the building to be sustained for accurate results. Results obtained before a controlled environment is achieved may be used for reference only, with future testing to be performed under ideal conditions. Do not install near windows or direct sunlight. Building Conditioning Begin testing at the same temperature and humidity expected during normal building use. If this is not possible, ASTM F1869 allows for test conditions to be 65ºF to 75ºF and 40% to 60% relative humidity this needs to be maintained for 48 hours prior to and during testing. The use of a temperature and humidity data logger may be used to verify conditions during testing. Contact our technical department for details. Installation The amount of tests required is a simple calculation of the total square feet to be floored, at all grade levels. ASTM F1869 guidelines state three (3) tests for the first 1,000 square feet and one (1) additional test for each additional 1,000 square feet thereafter. Examples: 1,000 ft² = 3 tests | 10,000 ft² = 12 tests Test Area/ Preparation Clean a 20” x 20” area free of flooring, coatings, patching cements, adhesive residue and expose a clean concrete surface. To speed the process, a dustless grinder may be used to clean the surface. Do not use acid etching, water, strippers or clean sweeping agents. Test Duration Protect all test sites from damage for 60 to 72 hours. Results The final test results are reported as a quantity of moisture expressed as the weight of condensed gas (liquid) in pounds that is emitted over 1,000 ft² area during a 24 hour period. Results may vary from 0.00 to 30.00 /1,000 ft²/24 hours. Flooring and Adhesive Requirements The industries most stringent vapor requirement is 3.0 lbs. or less. Verify each manufacturer’s tolerance before installation of the flooring product. Shelf Life AMT kits are manufactured with high quality components and offer unlimited shelf life with no expiration date. Dome Cover o Thick 30 - 35 mill construction o Excellent crush resistance Calcium Chloride Salt & Dish o Salt Purity up to 97%, non-recycled o Factory weighed, vapor tight packaging Rubber Adhesive o Factory Installed Adhesive o Will not dry or harden o Adhesion to virtually any surface Calculation Formula Example Use our online CC Moisture Calculator or use the following example: : 5.8 gram weight gain at 68 hours and 15 minutes: cc calculation

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