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Pine tar is a form of wood tar produced by the high temperature carbonization of pine wood in anoxic conditions (dry distillation or destructive distillation). The wood is rapidly decomposed by applying heat and pressure in a closed container; the primary resulting products are charcoal and pine tar .
The commercial use of fatwood from stumps stemmed from the production of pitch and pine tar. In 1648, a company was formed in Sweden called Norrländska Tjärkompaniet (The Wood Tar Company of North Sweden), and was given exclusive export rights for pine tar by the King of Sweden. [2]
Wood tar is still used as an additive in the flavoring of candy, alcohol, and other foods. Wood tar is microbicidal. Producing tar from wood was known in ancient Greece and has probably been used in Scandinavia since the Iron Age. Production and trade in pine-derived tar was a major contributor in the economies of Northern Europe [7] and ...
Chamber drying provides a means of overcoming the limitations imposed by erratic weather conditions. With kiln drying, as is the case with air drying, unsaturated air is used as the drying medium. Almost all commercial timbers of the world are dried in industrial kilns. A comparison of air drying, conventional kiln and solar drying is given below:
The best tar came from pine, thus pinewoods were cut down for tar pyrolysis. The residual charcoal was widely used as substitute for metallurgical coke in blast furnaces for smelting. Tar production led to rapid local deforestation. The end of tar production at the end of the 19th century resulted in rapid re-forestation of affected areas.
To reset: Billy Martin, the irascible and ever-instigating manager of the New York Yankees, initiated a protest of Brett’s pine-tar slathered bat after a go-ahead home run off Goose Gossage with ...
The tar best suited for cordage comes from various members of the pine tree family and is obtained by the distillation process, either by using the old kiln or by modern retorts. It is conceded that the kiln-made article is superior for tarred rigging and therefore it is used principally in making first-quality tarred rope.
Birchbark is used to make birch-tar, a particularly fine tar. The terms tar and pitch are often used interchangeably. However, pitch is considered more solid, while tar is more liquid. Traditionally, pitch that was used for waterproofing buckets, barrels and ships was drawn from pine. It is used to make cutler's resin.