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RFCTHERM-400(Biphenyl+Diphenyl Oxide)
CAS No: 8004-13-5
Product Description
RFCTHERM-400 is a eutectic mixture of 73.5% diphenyl oxide (DPO) and 26.5% biphenyl, it is a synthetic heat transfer fluid designed to meet the demanding requirements of vapor phase systems from 257° C to 400° C or liquid phase systems from 12° C to 400° C, It combines exceptional thermal stability and low viscosity for efficient, dependable, uniform performance in a wide optimum use range, RFCTHERM-400 has the highest thermal stability of all organic heat transfer fluids. It is miscible and interchangeable (for top-up or design purposes) with other similarly constituted diphenyl-oxide (DPO)/biphenyl fluids, such as: Therminol-vp-1, Dowtherm-A, Therm-S 300 and Diphy1.
The Temperature Range for use
Liquid: 12℃ to 400℃
Vapor: 257℃ to 400℃
Applications
It can be used in a wide variety of industries, such as:
· Concentrated Solar Power Systems,
· PET production
· Synthetic Fiber plants
· Many other applications that require a high temperature heat transfer fluid.
Our Production Capacity
At present: 10000mt/a.
Typical Properties
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Property
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Standard
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Method
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Apperance
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Clear Water White Liquid
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Density g/cm3
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1.050-1.075
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GB No233
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Viscosity at 40 °C
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2.48cSt
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GB265
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Water(mg/Kg)
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300
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GB6283
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Crystal Point ℃
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12.0
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GB7533
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Maximum Film Temperature ℃
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425
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Normal Boiling Point ℃
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≥257
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GB7534
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Flash Point ℃
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124
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ASTMD-92
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Fire Point ℃
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127
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ASTMD-92
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Autoignition Temperature ℃
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621
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ASTMD-2155
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Kinematic Viscosity(40℃)
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2.48cst
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Optimum Use Range ℃
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Liquid: 12-400
Vapor: 260-400
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Constituent
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Biphenyl (wt)%
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26.5±1.0
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Q/HC179-80
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Diphenylether(wt) %
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73.5±1.0
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Q/HC179-80
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Average Molecular weight
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166
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S
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≤5ppm
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CL
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≤10ppm
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In china, we are the Biggest supplier of Heat Transfer Fluid(Biphenyl+Diphenyl Oxide) used in CSP project, in the CSP project below, our HTF running in the pipes capture energy from the sun and covert it to steam for generating electricity.
 
 
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