International Organization for Standardization (ISO)
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ISO 2207:1980
Scope
The procedure specified allows the determination of the temperature at which a sample being cooled develops a set or resistance to flow. At that temperature the product may be at or close to the solid phase. In the case of petrolatums, congealing is associated with the formation of a gel structure as the sample cools.
ISO 2207:1980 history
1980ISO 2207:1980 Petroleum waxes; Determination of congealing point