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The books had to be absolutely dry when the leather dressing was applied. The dressing would be applied sparingly and rubbed into the leather. After two days, the treated leather was polished with a soft cloth. Hard leathers can be soaked in a solution of one part British Museum leather dressing: three parts Stoddard solvent. [4]
New leather contains natural oils that help make the leather soft and supple. The oils are volatile and evaporate over time. This causes the leather to shrink and stiffen, and sometimes to crack. Conditioning restores moisture, brings out natural colors, and extends the life of the leather. [1] [2] [3] A very old and widely used conditioner is ...
wetting back- semi-processed leather is rehydrated. sammying - 45-55%(m/m) water is squeezed out the leather. splitting - the leather is split into one or more horizontal layers. shaving - the leather is thinned using a machine which cuts leather fibres off. neutralisation - the pH of the leather is adjusted to a value between 4.5 and 6.5.
In modern leather preservation, the original surface coating may be stripped completely off to provide a uniform replacement finish. This method is not advised for historical pieces, but is appropriate for reproductions and modern leather works, as they may prolong the life of the material without compromising the historical value or integrity.
Liming is a process used for parchment or leather processing, in which hides are soaked in an alkali solution. It is performed using a drum and paddle or a pit. Its objectives are: [1] Removal of interfibrillary proteins. Removal of keratin proteins. Collagen swelling due to the alkaline pH. Collagen fibre bundle splitting. Removal of natural ...
Chapped smackers can make your whole trip painful, so grab a USDA organic, moisturizing lip balm like Cliganic, which comes in six flavors — including coconut, vanilla and mint — and is made ...
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