PRODUCTS

Duratherm HTO-FG

Engineered for precise and efficient temperature control up to 316°C (600°F), our HTO-FG thermal fluid is a budget-wise, food grade solution for any heat transfer applications that need an environmentally friendly, low cost fluid capable of meeting today’s fast-paced production demands.

  • 316°C (600°F) maximum operating temperature
  • An economical option that outlasts the competition
  • Food Grade Registered NSF HT-1
  • Excellent thermal stability
  • Contains antioxidants for added protection from oxidation
Standard
Metric

Temperature Ratings

Max Bulk/Use Temp 316°C
Max Film Temp. 333°C
Pour Point ASTM D445 -15°C

Safety Data

Flash Point ASTM D92 219°C
Fire Point ASTM D92 232°C
Autoignition ASTM E-659-78 360°C

Thermal Properties

Thermal Expansion Coefficient 0.1015 %/°C
Thermal Conductivity W/m·K
38°C 0.137
260°C 0.125
288°C 0.123
316°C 0.121
Heat Capacity kJ/kg·K
38°C 1.892
260°C 2.587
288°C 2.675
316°C 2.759

Physical Properties

Viscosity ASTM D445 cSt
40°C 39.41
260°C 0.99
288°C 0.84
316°C 0.74
Density ASTM D1298 kg/l
38°C 0.81
260°C 0.67
288°C 0.65
316°C 0.63
Vapor Pressure ASTM D2879 kPa
38°C 0.00
260°C 2.34
288°C 4.96
316°C 9.65
Distillation Range ASTM D2887
10% 372°C
90% 456°C
Molecular Weight 371

Note: The values quoted in the table above are typical of normal production.
They do not constitute a specification.

Temperature Ratings

Max Bulk/Use Temp 600°F
Max Film Temp. 630°F
Pour Point ASTM D445 5°F

Safety Data

Flash Point ASTM D92 425°F
Fire Point ASTM D92 448°F
Autoignition ASTM E-659-78 680°F

Thermal Properties

Thermal Expansion Coefficient 0.0564 %/°F
Thermal Conductivity BTU/hr·ft·F°
100°F 0.079
500°F 0.072
550°F 0.071
Heat Capacity BTU/lb·F°
100°F 0.452
500°F 0.618
550°F 0.639

Physical Properties

Viscosity ASTM D445 cSt
40°F 298.12
100°F 43.40
260°F 3.86
Density ASTM D1298 lb/ft³
100°F 50.62
500°F 41.66
550°F 40.54
Vapor Pressure ASTM D2879 psia
100°F 0.00
500°F 0.34
550°F 0.72
Distillation Range ASTM D2887
10% 701°F
90% 852°F
Molecular Weight 371

Note: The values quoted in the table above are typical of normal production.
They do not constitute a specification.

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