Wacker Silfoam® SD 986 Silicone Antifoam Solution

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Wacker Silfoam® SD 986 Silicone Antifoam Solution
Categories:	Fluid
Material Notes:	SILFOAM® SD 986 is a low viscous antifoam solution containing a low proportion of a highly viscous silicone fluid. The dimethylpolysiloxane contained in SILFOAM® SD 986 has a strong defoaming effect in numerous mineral oil products as well as in other non-aqueous systems, due to its low surface tension and good spreading ability. Application: SILFOAM® SD 986 can be used in a variety of different applications, e. g. in applications in the oil field (crude oil / natural gas separators), in refinery processes (visbreaking, coking), in foaming distillation processes and in other foaming, non-aqueous formulations. Often, just a few ppm of SILFOAM® SD 986 will be sufficient for effective foam destruction. Information provided by Wacker Chemie AG.
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Physical Properties	Metric	English	Comments

Density	0.760 - 0.800 g/cc	0.0275 - 0.0289 lb/in³
Solids Content	6.0 % @Treatment Temp. 200 °C, Time 900 sec	6.0 % @Treatment Temp. 392 °F, Time 0.250 hour	1g
Kinematic Viscosity	3.0 - 10 cSt	3.0 - 10 cSt	DIN 51562

Thermal Properties	Metric	English	Comments
Flash Point	62.0 °C	144 °F	ISO 2719
Ignition Temperature	240 °C	464 °F	liquids; DIN 51794

Optical Properties	Metric	English	Comments
Refractive Index	1.43	1.43	DIN 51423
Transmission, Visible	90 %	90 %	"Clear" but manufacturer does not quantify.

Component Elements Properties	Metric	English	Comments
Silicon, Si	2.3 %	2.3 %

Descriptive Properties
Appearance	colorless, clear

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PWACK9450 / 204979

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