This document specifies a method for determining the swelling properties of hard coal when heated under standard conditions in a dilatometer.

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This document specifies a method of determination of caking index of hard coal. It is applicable to the evaluation of caking power of bituminous coal with random reflectance of vitrinite, Rr, greater than 0,6 % and less than or equal to 1,8 % (>0,6 % and ≤1,8 %).

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ISO 10329:2017 specifies a method for obtaining a relative measure of the plastic behaviour of coal when heated under prescribed conditions. The method is used to obtain values of the plastic properties of coals and blends used in carbonization and in other situations where determination of plastic behaviour of coals is of practical importance. NOTE The empirical nature of this test requires proper equipment calibration to produce fluidity readings which are a true indication of the relative plastic behaviour of the coal.

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ISO 502:2015 specifies a method of assessing the caking power of coal under standard conditions.

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ISO 501:2012 specifies a method for determining the swelling properties of hard coal when heated in a covered crucible. The "crucible swelling number" (CSN) is also known as the "free swelling index" (FSI).

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A test piece, in the form of a pencil, prepared from powdered coal is heated at a constant rate in a steel retort positioned in a furnace, the temperature monitoring system having been previously calibrated using two reference metals of known melting points. The change in level of a piton resting upon the test piece is observed continuously, and record is produced which is characteristic of the swelling properties of the coal.

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ISO 10329:2009 specifies a method for obtaining a relative measure of the plastic behaviour of coal when heated under prescribed conditions. The method may be used to obtain values of the plastic properties of coals and blends used in carbonization and in other situations where determination of plastic behaviour of coals is of practical importance.

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ISO 15585:2006 specifies a method of determination of caking index of hard coal. It is applicable to the evaluation of caking power of bituminous coal with random vitrinite reflectance greater than 0,6 % and less than or equal to 1,8 %.

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ISO 501:2003 specifies a method of determining the swelling properties of hard coal when heated in a covered crucible.

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The sample is heated under standard conditions to a final temperature of 600 C. The coke residue obtained is classified by reference to a series of standard residues. If the coke residue produced is so swollen that it fills the crosssection of the retort tube, the determination is repeated with the coal admixed with a suitable quantity of electrode carbon or equivalent material.

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