Monday, February 4, 2013

TEXTILE TESTING ATMOSPHERE & RELATED TERMS


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Standard temperate atmosphere at the prevailing barometric pressure with a relative humidity of 65% and a temperature of 20°C
Standard tropical atmosphere: an atmosphere at the prevailing barometric pressure with a relative humidity of 65% and a temperature of 27° C
Moisture content percentage: The weight of moisture in a material expressed as a percentage of the total weight
Oven dry weight: The constant weight of textile material obtained by drying at a temperature of 105± 3°C
Regain: The weight of moisture present in a textile material expressed as a percentage of the oven-dry weight.
Relative humidity: The ratio of the actual pressure of the water vapor in the atmosphere to the saturated water vapor at the same temperature. The ratio is usually expressed as a percentage e.g. 65% rh.
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