| First exercise, sheets from inside the wallets: | 61-59 % RH at 21-22 C. |
| First exercise, back of Test Writing sheet: | 72-67 % RH at 16-18 C. |
| Second exercise, back of Test Writing Sheet: | 66 % RH at 17 C. |
| Third exercise, all paper sheets: | 63-62 % RH at 22-23 C. |
Figure 1.
Arrangement of test sheets for Exercise One.
Figure 2.
Arrangement of test sheets for Exercise Three.
Table 1.
Summary of results.
| Tabulated Results | ||||
|---|---|---|---|---|
| Wallet | Thickness | Paper Contacts Outside Plastic Surface | Paper Contacts Inside Plastic Surface | Paper-Paper Contact. |
| First Exercise. | ||||
| “A” Polypropylene Smooth | 43 micron | Embossed Writing Imaged | Embossing Not Imaged Indentations Not Imaged | Embossing Imaged Indentations Imaged |
| “B” “Eco” Brand Smooth | 99 micron | Embossed Writing Imaged | Embossing Not Imaged Indentations Not Imaged | Embossing Imaged Indentations Imaged |
| “C”. “Sec” Brand. Polypropylene plus “additive” Slightly Grained | 51 micron | Embossed Writing Imaged | Embossing Not Imaged Indentations Not Imaged | Embossing Imaged Indentations Imaged |
| “D”. Polyropylene Smooth with large Extrusion lines | 43 micron | Embossed Writing Imaged | Embossing Not Imaged Indentations Not Imaged | Embossing Imaged Indentations Imaged |
| Woolworths (Before 2009) Smooth | 39 micron | Embossed Writing Imaged | Embossing Not Imaged Indentations Not Imaged | Embossing Imaged Indentations Imaged |
| W H Smith Acid Free Print Safe Smooth | 40 micron | Embossed Writing Imaged | Embossing Not Imaged Indentations Not Imaged | Embossing Imaged Indentations Imaged |
| Niceday Slightly grained | 56 micron. | Embossed Writing Imaged | Embossing Not Imaged Indentations Not Imaged | Embossing Imaged Indentations Imaged |
| Boots “Esselt” Copy Safe Anti-static Reinforced Polypropylene Made in Denmark Slightly Grained | 101 micron. | Embossed Writing Imaged | Embossing Not Imaged Indentations Not Imaged | Embossing Imaged Indentations Imaged |
| Tesco. Dimpled in Rectangular pattern | 42 micron. | Embossed Writing Imaged | Embossing Not Imaged Indentations Not Imaged | Embossing Imaged Indentations Imaged |
| Second Exercise | ||||
| W H Smith Acid Free Print Safe Smooth | 40 micron. | Embossed Writing Imaged | Not Tested | Not Tested |
| Third Exercise | ||||
| W HSmith Acid Free Print Safe Smooth | 40 micron. | Embossed Writing Imaged | Embossing Not Imaged Indentations Not Imaged | Embossing Imaged Indentations Imaged |