GB/T 26930.2-2011 Carbonaceous materials for the production of primary aluminium.Pitch for electrodes.Part 2: Determination of softening point by the ring and ball method (English Version)
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 26930.2-2011
Scope
This part of GB/T 26930 specifies the method for the determination of the softening point (softening temperature) of coal tar pitch used in the production of primary aluminum. This section applies to the determination of the softening point of coal tar pitch used in the production of primary aluminum. Measuring range: >30 °C.
GB/T 26930.2-2011 Referenced Document
ISO 6257 Carbonaceous materials used in the production of aluminium - Pitch for electrodes - Sampling
GB/T 26930.2-2011 history
2011GB/T 26930.2-2011 Carbonaceous materials for the production of primary aluminium.Pitch for electrodes.Part 2: Determination of softening point by the ring and ball method