Dow Silastic® 9390-50 LSR Oil-Resistant Liquid Silicone Rubber

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Dow Silastic® 9390-50 LSR Oil-Resistant Liquid Silicone Rubber (discontinued **)
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber; Liquid Silicone Rubber (LSR)
Material Notes:	SILASTIC™ 9390 Series LSRs provide good oil resistance in an off-white, injection-molding-grade elastomer for a range of air- and fluid-sealing applications. Product applications: Oil-resistant applications Seals, O-rings, diaphragms Key Features: Good oil resistance Low compression set Off-white Former Dow/ Dow Corning brand.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.37 g/cc	1.37 g/cc	ASTM D792

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	50	50	ASTM D2240
Tensile Strength	6.20 MPa	899 psi	ASTM D412
Elongation at Break	460 %	460 %	ASTM D412
Tear Strength	15.0 kN/m	85.6 pli	ASTM D624 DIE B
Compression Set	13 % @Temperature 150 °C, Time 252000 sec	13 % @Temperature 302 °F, Time 70.0 hour	NPC; ASTM D395

Processing Properties	Metric	English	Comments
Extrusion Rate	130 g/min	130 g/min	MIL-S-8802D

Descriptive Properties
Oil immersion (% volume change)	35		IRM 903; (70 hr @ 150°C), ASTM D471
	4		ASTM 1; (70 hr @ 150°C), ASTM D471

**
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PDOW9937 / 233140

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