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Duratherm FG

Duratherm FG

Rated to 327°C (620°F), Duratherm FG is a thermal fluid with strong resistance to fouling for extended service and is engineered and manufactured to comply with the demands of food grade applications. Meets USDA requirements for incidental food contact (H1), meets the requirements of 21 CFR 178.3570 and is registered with the NSF HT1.

Max. Operating Temp

327°C (620°F)

Features

  • Food grade – NSF registered and meets FDA 21 CFR 178.3570
  • Rated to 327°C (620°F), it’s one of the highest temperature food grade thermal fluids available
  • Kosher certified
  • Extended service life
  • Dual-stage anti-oxidant protects against oxidation
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Duratherm FG

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Temperature Ratings


Max Bulk/Use Temp620°F
Max Film Temp670°F
Pour Point ASTM D971°F

Safety Data


Flash Point ASTM D92440°F
Fire Point ASTM D92466°F
Autoignition ASTM E-659-78682°F

Physical Properties


Viscocity ASTM D445

cSt


45°F251.8
115°F31.2
405°F1.5
620°F0.7

Density ASTM D1298

lb/ft³


45°F54
115°F52.4
405°F45.6
620°F40.6

Vapor Pressure ASTM D2879

psia


45°F0
115°F0
405°F0.06
620°F1.91

Distillation Range ASTM D2887


10%721°F
90%921°F
Molecular Weight395
Specific Gravity @ 60°F0.863

Thermal Properties


Thermal Expansion Coefficient

0.0564%/°F

Thermal Conductivity

BTU/hr·ft·F°


45°F0.084
115°F0.083
405°F0.077
620°F0.073

Heat Capacity

BTU/lb F


45°F0.446
115°F0.477
405°F0.603
620°F0.696