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FYRQUEL ® EHC

ICL > Products > FYRQUEL ® EHC

Chemical Name: Mixture of butylated and trixylyl phosphates

General & Use:
2nd generation EHC fluid used in GE, WE and other steam turbine control equipment.

Typical Properties:

Appearance clear transparent liquid
Viscosity @ 37.8°C (100°F cST (SUS) 47 (220)
Viscosity @ 98.9°C (210°F cST (SUS) 5 (43)
ISO Grade 46
Viscosity Index +25
Specific Gravity @ 60/60 °F 1.145
Weight (lb/gal) @ 60/60 °F 9.59
Pour Point °C (°F) -18 (0)
Water Content (% by weight) 0.10 max
Chlorine Content ppm micro coulometry 20 max
Acid Number mg KOH/g 0.05
Foaming (ASTM D-892-72) mL 10
Color ASTM 1.5
Particle Distribution ISO 15/12
(SAE A-6D tentative) Class 3
Resistivity (OHM/cm) 12.0 x 10³ min
Air Entrainment Minute <<=5 minutes

General Data

Functional Fluid Type fire resistant hydraulic fluid
Fire Resistant Fluid Type Self-Extinguishing Phosphate Ester Fluid
Product Class Non-Aqueous Fire Resistant Fluid
Viscosity cSt @ 40°C ISO 46