Duratherm S Thermal Fluid

VendorDuratherm
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Description

DURATHERM S

A silicone based heat transfer fluid that is ideally suited for high oxidation applications or completely exposed systems. Duratherm S is virtually impervious to oxidation at temperatures under 204°C (400°F) and offers superior protection from fluid degradation. Duratherm S is best suited for applications not prone to contamination or leaking.

316°C (600°F) maximum operating temperature
Pumpable down to -50°C (-46°F)
Very strong resistance to oxidation up to 204°C (400°F)
Recommended for use in fully exposed systems like open baths
Highly resistant to fouling for an extremely long service life
Non-corrosive and non-toxic thermal fluid for added workplace safety

TEMPERATURE RATINGS
Max Bulk/Use Temp	316°C
Max Film Temp.	366°C
Pour Point ASTM D97	-66°C

SAFETY DATA
Flash Point ASTM D92	324°C
Fire Point ASTM D92	336°C
Autoignition ASTM E-659-78	437°C

THERMAL PROPERTIES
Thermal Expansion Coefficient	0.099 %/°C
Thermal Conductivity	W/m·K
38°C	0.133
204°C	0.109
204°C	0.109
260°C	0.100
288°C	0.097
316°C	0.093
Heat Capacity	kJ/kg·K
38°C	1.717
204°C	2.034
204°C	2.035
260°C	2.144
288°C	2.194
316°C	2.248

PHYSICAL PROPERTIES
Viscosity ASTM D445	cSt
-18°C	113.08
40°C	36.14
100°C	16.57
260°C	5.19
288°C	4.54
316°C	4.03
Density ASTM D1298	kg/l
38°C	0.95
204°C	0.81
204°C	0.81
260°C	0.77
288°C	0.74
316°C	0.72
Vapor Pressure ASTM D2879	kPa
38°C	0.00
204°C	0.14
204°C	0.14
260°C	1.79
288°C	3.52
316°C	6.83
Distillation Range ASTM D2887
10%	494°C
90%	679°C