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ASTM C604-02(2012)
- Standard Test Method for True Specific Gravity of Refractory Materials by Gas-Comparison Pycnometer
- standard by ASTM International, 10/01/2012
- Publisher: ASTM
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1.1 This test method covers the determination of the true specific gravity of solid materials, and is particularly useful for materials that easily hydrate which are not suitable for test with Test Method C135. This test method may be used as an alternate for Test Method C135, Test Method C128, and Test Method C188 for determining true specific gravity.