Figure 1
Construction of different forms of Melinex enclosures employed at the British Library.
Figure 2
Placement of A-D Strips.
Figure 3
Internal RH values of different enclosures after exposure to elevated external RH.
Figure 4
Initial response of RH changes.
Table 1
Initial delay of the humidity response of Melinex enclosures.
| Approx. delay/min | |
|---|---|
| Control | 0 |
| Spot-welded | 15 |
| Sealed (3 sides) | 15 |
| Sealed (4 sides, clipped) | 30 |
| Sealed (4 sides, pin-hole) | 40 |
| Sealed (4 sides, sealed) | 75 |
| Sewn | 15 |
Figure 5
Measured ΔE* values for A-D Strips in different enclosures.