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Significance and Use
3.1 The hydration of dead-burned dolomite grains is an important aspect of both manufacturing and using such grains. Moisture from any source will cause the grains to partially disintegrate, eventually making the dead-burned dolomite unfit for use. This test method may prove useful for determining, in a relative manner, which grains are more resistant to hydration than others.
3.2 Data from one laboratory might help in establishing internal limits for determining whether a particular batch of grain is suitable for refractory production. However, this test method takes great care to run, and is not recommended as a quality control test. Possibly, a specification might be developed between two parties if sufficient care in establishing the bias between the laboratories is carried out.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
C92 Test Methods for Sieve Analysis and Water Content of Refractory Materials
E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves
ICS Number Code 81.080 (Refractories)
UNSPSC Code 11101508(Dolomite)
ASTM C492-92(2013), Standard Test Method for Hydration of Granular Dead-Burned Refractory Dolomite, ASTM International, West Conshohocken, PA, 2013, www.astm.orgBack to Top