Figures for absorbency are derived from standard laboratory tests which will tell you if one pad absorbs more than another. They do not tell you how much the pad absorbs and holds when you are using it. An adult bladder usually holds about 550ml (a pint).
How often should a Adult diaperspad be changed?
6 times a day
How Often Should I Change Adult diapersPads? If you use Adult diaperspads it is always advised that you change it often to protect your skin. This means changing your pad around 4-6 times a day. You should always change an Adult diaperspad when it is wet