Products

Duratherm HF-FG

A food grade heat transfer oil rated to 277°C (530°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.

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

TDS
(Technical Data Sheet)

SDS.
(Safety Data Sheet)

Temerature Ratings
Maximum Bulk/Use Temp	338°C
Maximum Film Temp	360°C
Pour Point ASTM D445	-9°C

Safety Data
Flash Point ASTM D92	277°C
Fire Point ASTM D92	306°C
Auto Ignition ASTM E-659-78	394°C

Thermal Properties
Thermal Expansion Coefficient	0.182 %/°C
Thermal Conductivity	W/m·K
38°C	0.149
204°C	0.145
260°C	0.145
288°C	0.144
316°C	0.144
332°C	0.144
Heat Capacity	kJ/kg·K
38°C	1.876
204°C	2.168
260°C	2.269
288°C	2.319
316°C	2.366
332°C	2.394

Physical Properties
Viscosity ASTM D445	cSt
40°C	104.26
100°C	12.46
260°C	1.47
288°C	1.22
316°C	1.04
332°C	0.96
Density ASTM D1298	d/ml
38°C	0.859
204°C	0.798
260°C	0.778
288°C	0.768
316°C	0.758
332°C	0.752
Vapour Pressure ASTM D2879	kPa
38°C	0
204°C	0.138
260°C	1.517
288°C	4.206
316°C	11.997
332°C	24.601
Distillation Range ASTM D2887
10%	446°C
90%	555°C
Average Molecular Weight	399
Specific Gravity @ 16°C	.867

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