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The Maintenance of thin particles defines plasticity and other properties glin. Vysokoplastichnye clay contain particles in the size less than 0,005 mm of 80-90% and a particle less than 0,001 mm - 60% and more while in moderately plastic glinah there are only 30-60% of particles in the size to 0,005 mm. Владикавказ Осетия квартиры larger grains of a dust (to 0,14 mm) mica and sand (0,14-5 mm) reduce plasticity glin. In glinah there can be the impurity reducing temperature of fusion (them name plavnjami). Владикавказ телефоны предприятий It is carbonic calcium, feldspar, Fe (OH) 3, Fe2O3, etc. Kamnevidnye of inclusion of SaSo3 are at the bottom of occurrence ' dutikov ' and cracks in pottery as hydration of SaO which have turned out at roasting of pottery, is accompanied by increase in its seeming volume. Often meeting impurity okisi gland gives to clay habitual red colouring, water okis gland informs buro-yellow colour. In general colourings glin are rather various: From white, brown, green, grey to the black. colouring glin depends on impurity both mineral, and the organic origin, rich with carbon.
Bentonitami name vysokodispersnye clay breeds with the prevailing maintenance montmorillonita. The maintenance in them is less than particles in the size 0,001 mm reaches 85-90%.
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