Table 4.

Periods at which the mass is calculated in the sorptivity test.

Time	60 s	5 min	10 min	20 min	30 min	60 min	Every Hour up to 6 h	Once a Day up to 7 days	Day 7 to 9, 1 Measurement
Tolerance	2 s	10 s	2 min	2 min	2 min	2 min	5 min	2 h	2 h