When is described: "In normal conditions, viscose absorbs 11 to 14% of water vapour. In liquid water, they swell and can absorb 80 to 120% of water." (Clothing Technology)
What do they mean with 'normal conditions'? In open air?
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Normal or standard conditions are usually ment pressure of 101.325 kPa and temperature of 298.15 K or 293.15 K. Please see the link for reference.