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Duratherm HF-FG

Duratherm HF-FG

A food grade heat transfer oil rated to 338°C (640°F), Duratherm HF-FG is specifically engineered for process heating and cooling applications that need the added safety of a high flash point. Economical and thermally stable, it meets USDA requirements for incidental food contact, is NSF registered HT1, and meets the requirements of 21 CFR 178.3570.

Max. Operating Temp

338°C (640°F)

Features

  • Food grade – Kosher, NSF registered and meets FDA 21 CFR 178.3570
  • 277°C (530°F) flash point, the highest rating of any food grade heat transfer oil
  • 338°C (640°F) maximum operating temperature
  • Engineered for use in a wide variety of food and beverage applications
  • Runs cleaner with an extended service life
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Duratherm HF-FG

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Temperature Ratings


Max Bulk/Use Temp640°F
Max Film Temp680°F
Pour Point ASTM D9715°F

Safety Data


Flash Point ASTM D92530°F
Fire Point ASTM D92582°F
Autoignition ASTM E-659-78740°F

Physical Properties


Viscocity ASTM D445

cSt


120°F68.2
500°F1.5
640°F0.9

Density ASTM D1298

lb/ft³


120°F53.4
500°F48.6
640°F46.8

Vapor Pressure ASTM D2879

psia


120°F0
500°F0.22
640°F5.34

Distillation Range ASTM D2887


10%834°F
90%1030°F
Molecular Weight399
Specific Gravity @ 60°F.867

Thermal Properties


Thermal Expansion Coefficient

0.0562%/°F

Thermal Conductivity

BTU/hr·ft·F°


120°F0.086
500°F0.084
640°F0.083

Heat Capacity

BTU/lb F


120°F0.453
500°F0.542
640°F0.575