MIL-STD-202-103 Base Document:2015
NA
Status of Standard is Unknown
Method 103, Humidity (Steady State)
English
18-04-2015
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FOREWORD
1. SCOPE
2. APPLICABLE DOCUMENTS
3. DEFINITIONS
4. GENERAL REQUIREMENTS
5. DETAILED REQUIREMENTS
6. NOTES
Determines the properties of materials used in components as they are influenced by the absorption and diffusion of moisture and moisture vapor.
| DocumentType |
Standard
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| Pages |
5
|
| PublisherName |
US Military Specs/Standards/Handbooks
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| Status |
NA
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This test is performed to evaluate the properties of materials used in components as they are influenced by the absorption and diffusion of moisture and moisture vapor. This is an accelerated environmental test, accomplished by the continuous exposure of the specimen to high relative humidity at an elevated temperature. These conditions impose a vapor pressure on the material under test which constitutes the force behind the moisture igration and penetration. Hygroscopic materials are sensitive to moisture, and deteriorate rapidly under humid conditions. Absorption of moisture by many materials results in swelling, which destroys their functional utility, and causes loss of physical strength and changes in other important mechanical properties. Insulating materials that absorb moisture may suffer degradation of their electrical properties. This method, while not necessarily intended as a simulated tropical test, is of use in determining moisture absorption of insulating materials.
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