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1 Subject content and scope of application
This standard specifies the technical requirements for thermal oil 400 (biphenyl-diphenyl ether mixture)
This standard applies to biphenyl and biphenyl ether low mixing formulated eutectic mixture of biphenyl and biphenyl ether mass ratio of 26.
This product is mainly used as high temperature heat transfer fluid
Average relative molecular mass: 165.
2 Reference standards
GB265 Petroleum Products Kinematic Viscosity Determination Method and Dynamic Viscosity Calculation Method
The expressing method and judging method of GB1250 limit value
GB/T4472 General Rules for the Determination of Density and Relative Density of Chemical Products
GB/T6283 Determination of water content in chemical products Karl Fischer method (general method)
GB/T6678 General Rules for Sampling of Chemical Products
GB/T6680 General Rules for Sampling of Liquid Chemical Products
GB/T7533 Test Method for Crystallization Point of Organic Chemical Products
GB/T7534 Determination of Boiling Range of Volatile Organic Liquids for Industrial Use
3 Technical requirements
3.
3.