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. 2023 Jan 30;61:102847. doi: 10.1016/j.rsma.2023.102847

Table 1.

Different conditions for MPs release.

S. No. Water type Temperature Mask type Duration
(in Days)
Nomenclature Layers in masks
1 DI water 25 ± 3 °C N95 1 N1DR 5 Layer
7 N7DR
30 N30DR
90 N90DR
180 N180DR
2 DI water 25 ± 3 °C Surgical 1 S1DR
7 S7DR
30 S30DR
90 S90DR
180 S180DR
3 Tap water 25 ± 3 °C N95 1 N1TR
7 N7TR
30 N30TR
90 N90TR
180 N180TR
4 Tap water 25 ± 3 °C Surgical 1 S1TR
7 S7TR
30 S30TR
90 S90TR
180 S180TR
5 Tap water 45 °C N95 1 N(45°)1
7 N(45°)7
30 N(45°)30
6 Tap water 45 °C Surgical 1 S(45°)1
7 S(45°)7
30 S(45°)30