GB/T 3535-2006: Translated English of Chinese Standard. (GBT 3535-2006, GB/T3535-2006, GBT3535-2006): Petroleum products - Determination of pour point
This Standard specifies a method for determination of the pour point of petroleum products. A separate procedure suitable for determination of lower pour point (see 6.10) of fuel oils, heavy lubricant base stock, and products containing residual fuel components is also described.
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Annex A Normative Thermometer specifications
0°C bath accordance with 6.7 acetone adopting ISO bath in 6.8 bath in accordance bath maintained bath or jacket bath temperature Calcium chloride carbon dioxide clean cloth moistened commence observations containing residual fuel coolant liquid Cooling bath cooling medium cork crude oils disc expected pour point flow in accordance freezing mixtures gasket GB/T Heat the sample heavy lubricant base high-cloud-and-pour thermometer identical test material immersed including fuel oil lower pour point lubricant base stock melting point methanol Mineral oils moistened with wiping multiple of 3°C normal and correct observations for flow oil products including outer surface Petroleum Processing RIPP Petroleum Products point of crude pour-point precision products containing residual products including fuel Reagents and materials remove the test residual fuel components sample without stirring SINOPEC Research Institute Sodium chloride specified Standard temperature has reached temperature reaches 9°C test jar Test procedures thermometer annex wax crystals wipe the outer wiping fluid