LANXESS DIPHYL is a high-temperature heat transfer fluid consisting of a eutectic mixture of diphenyl oxide and biphenyl, suitable for liquid-phase and vapour-phase systems up to 400°C.
Features:
- Excellent thermal stability for use up to 400°C
- Can be used in liquid phase, vapour phase or combined systems
- Pressureless liquid-phase operation up to 250°C
- Non-hygroscopic
- No volume reduction on solidification
- Long service life
Applications:
- Chemical and petrochemical synthesis
- Polymerisation, fibre and plastics production
- Textile industry
- Concentrated solar power (CSP) plants
- Optical brightener and dyestuff manufacturing
Typical Properties:
- Composition: eutectic mixture of diphenyl oxide and biphenyl (approx. 3:1), min. 99.9%
- Appearance: clear, colourless to yellowish liquid
- Operating range: 13°C to 400°C; maximum film temperature 420°C
- Boiling point at 1013 mbar: 257°C
- Solidification point: 12.3°C
- Density at 20°C: 1061 kg/m³
- Kinematic viscosity at 20°C: 4.05 mm²/s
- Flash point: 115°C
- Autoignition temperature: 615°C (temperature class T1)
| Packing | 215 KG or IBC Tank |