Water Absorption - ISO 62
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The percent increase in weight of a material after exposure to water under specified conditions. Water absorption can influence mechanical and electrical properties. Factors such as the type of material, additives, temperature, and length of exposure can affect the amount of water absorbed.
For testing, the specimens are dried and cooled. Three testing procedures are commonly employed. Only data from the same testing procedures are readily comparable.
| Procedure |
Test Description |
| Water Absorption 24h/23C |
Test specimens are immersed in distilled water at room temperature for 24 hours. |
| Water Absorption Sat/23C |
Test specimens are immersed in distilled water at a room temperature until the water absorption essentially ceases. |
| Water Absorption 23C/50RH |
Test specimens are exposed to 50% RH room temperature air for 24 hours. |
ISO 10350 Note
The ISO 10350 Humidity absorption is a saturation value tested at 23°C and 50% relative humidity, while the ISO 10350 Water absorption is saturation value tested in water at 23°C.
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