![]() ![]() In a comparison of chrome tanning, synthetic tanning and vegetable tanning, the area of tanned leather per 100 kilos of leather was measured. Irrespective of whether a leather is sold by weight or area, the work steps in the tannery and the tanning process have an influence on the weight of a leather. Also cutting waste is usually measured in kg. Heavy leather, such as sole leather, leather straps and bridle is calculated by weight. The conversion factor for the conversion from square metres to square feet is 10,764, from square metres to square inches 1550,003.Ģ,95 square metres x 10,764 = 31,75 square feetĤ5 square feet: 10,764 = 4,18 square metresįor leathers sold by surface, the tanner has a great interest in trying to get the largest possible surface during the tanning process. Lamb, pig and goatskin in the clothing sector are usually measured in square feet or square inches. The division takes place along the back line. In the tannery, computerised systems measure the size of the skin at the end of the leather production.įull hide - Half hide. Smaller sections are sold reluctantly, leading to higher waste during the cutting process.įor large hides, the measure is usually square metres. For certain purposes, further sections of the animal skin are sold. Leather dealers mostly sell complete and half skins. There are also larger (up to 6 sqm) and smaller skins. A cattle skin usually has 4.5 to 5.5 square metres. Occasionally, decimetres (dm²) are indicated. Large skins, such as bovine skins, are measured in square metres (m²). These are sometimes cut in parts with different qualities and each section has corresponding technical terms. Leather skin has different qualities within a skin making it impossible to sell the entire surface of the skin. When speaking of leather, it is common to use words like weight leather and surface leather while leather laces and leather strips are sold by length. Leather is measured and calculated in square metres, decimetres, square feet (inch: inches), lengthwise or in kilogrammes. For this reason, the external contours of the animal skin are too irregular. Leather is a natural material and hence not available in rolls like other fabrics.
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