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Ceramer is slightly hygroscopic. The water absorption of the powder under standard conditions (23 ºC and 50% relative humidity) is about 1.8%. In case of Ceramerplus it is about 2.4%.
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This equilibrium concentration is reached very quickly within 24 hours. Water absorption occurs reversibly.
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Ceramer powder should be dried before use to remove residual moisture. Typical drying conditions are:
Drying temperature: 120 - 160 °C
Drying duration: Several hours, over night
Drying atmosphere: Air or nitrogen |
