Master Bond MasterSil 800 One Component, Room Temperature Curing Silicone

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Master Bond MasterSil 800 One Component, Room Temperature Curing Silicone
Categories:	Polymer; Adhesive; Thermoset; Silicone
Material Notes:	MasterSil 800 is an easy to use, one component, high performance silicone elastomer compound for bonding, sealing, coating and formed-in-place gaskets. This specialty system features ultra high temperature resistance and non-corrosive cure, making it highly desirable for many applications, especially those pertaining to electronics and aerospace. MasterSil 800 is self leveling and bonds well to a wide variety of substrates, including glass, metals and many plastics. The rapidity of the cure depends on the thickness of the layer and the humidity; the thicker the layer the slower the cure. It is extremely soft with superb flexibility and elasticity and outstanding electrical insulation properties. MasterSil 800 is serviceable over the exceptionally broad temperature range of -75°F to +572°F (300°C). What is truly remarkable about the higher temperature range is that unlike other temperature resistant silicones (e.g. red silicones), MasterSil 800 will not depolymerize when exposed to 300°C and high pressure. In a sense, it can be considered a second generation high temperature resistant RTV. MasterSil 800 has a moderate viscosity, but is still flowable and is black in color. Information provided by Master Bond Inc.
Vendors:	Master Bond is a leading manufacturer of adhesives, sealants, coatings and potting compounds. Master Bond’s vast product line consists of over 3,000 epoxy, polyurethane, silicone, cyanoacrylate and latex adhesives that vary in viscosity, cure speed, strength, chemical resistance, electrical properties, etc. Our custom adhesives offer design flexibility and provide excellent bonding performance. Visit www.masterbond.com. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.05 g/cc	1.05 g/cc
Viscosity	40000 - 60000 cP	40000 - 60000 cP

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	25 - 35	25 - 35
Tensile Strength	1.38 - 2.07 MPa	200 - 300 psi
	0.883 MPa @Temperature 300 °C, Time 2.59e+6 sec	128 psi @Temperature 572 °F, Time 720 hour	Heat Resistance, Aluminum to Aluminum
	1.08 MPa @Temperature 300 °C, Time 1.21e+6 sec	156 psi @Temperature 572 °F, Time 336 hour	Heat Resistance, Aluminum to Aluminum
	1.17 MPa @Temperature 250 °C, Time 1.21e+6 sec	170 psi @Temperature 482 °F, Time 336 hour	Heat Resistance, Aluminum to Aluminum
	1.17 MPa @Temperature 300 °C, Time 605000 sec	170 psi @Temperature 572 °F, Time 168 hour	Heat Resistance, Aluminum to Aluminum
	1.28 MPa @Temperature 250 °C, Time 605000 sec	185 psi @Temperature 482 °F, Time 168 hour	Heat Resistance, Aluminum to Aluminum
	1.47 MPa @Temperature 250 °C, Time 2.59e+6 sec	213 psi @Temperature 482 °F, Time 720 hour	Heat Resistance, Aluminum to Aluminum
	1.72 MPa @Temperature 250 °C, Time 346000 sec	250 psi @Temperature 482 °F, Time 96.0 hour	Heat Resistance, Aluminum to Aluminum
	1.72 MPa @Temperature 300 °C, Time 346000 sec	250 psi @Temperature 572 °F, Time 96.0 hour	Heat Resistance, Aluminum to Aluminum
Elongation at Break	200 - 300 %	200 - 300 %
	100 % @Treatment Temp. 300 °C, Time 2.59e+6 sec	100 % @Treatment Temp. 572 °F, Time 720 hour	Heat Resistance, Aluminum to Aluminum
	150 % @Treatment Temp. 300 °C, Time 1.21e+6 sec	150 % @Treatment Temp. 572 °F, Time 336 hour	Heat Resistance, Aluminum to Aluminum
	240 % @Treatment Temp. 300 °C, Time 605000 sec	240 % @Treatment Temp. 572 °F, Time 168 hour	Heat Resistance, Aluminum to Aluminum
	250 % @Treatment Temp. 250 °C, Time 2.59e+6 sec	250 % @Treatment Temp. 482 °F, Time 720 hour	Heat Resistance, Aluminum to Aluminum
	260 % @Treatment Temp. 250 °C, Time 346000 sec	260 % @Treatment Temp. 482 °F, Time 96.0 hour	Heat Resistance, Aluminum to Aluminum
	260 % @Treatment Temp. 250 °C, Time 1.21e+6 sec	260 % @Treatment Temp. 482 °F, Time 336 hour	Heat Resistance, Aluminum to Aluminum
	260 % @Treatment Temp. 300 °C, Time 346000 sec	260 % @Treatment Temp. 572 °F, Time 96.0 hour	Heat Resistance, Aluminum to Aluminum
	290 % @Treatment Temp. 250 °C, Time 605000 sec	290 % @Treatment Temp. 482 °F, Time 168 hour	Heat Resistance, Aluminum to Aluminum
Adhesive Bond Strength	0.276 - 0.552 MPa	40.0 - 80.0 psi	Tensile Lap, Aluminum to Aluminum
	0.172 MPa @Temperature 300 °C, Time 605000 sec	25.0 psi @Temperature 572 °F, Time 168 hour	Heat Resistance, Aluminum to Aluminum
	0.179 MPa @Temperature 250 °C, Time 346000 sec	26.0 psi @Temperature 482 °F, Time 96.0 hour	Heat Resistance, Aluminum to Aluminum
	0.179 MPa @Temperature 250 °C, Time 605000 sec	26.0 psi @Temperature 482 °F, Time 168 hour	Heat Resistance, Aluminum to Aluminum
	0.179 MPa @Temperature 300 °C, Time 346000 sec	26.0 psi @Temperature 572 °F, Time 96.0 hour	Heat Resistance, Aluminum to Aluminum
	0.193 MPa @Temperature 250 °C, Time 1.21e+6 sec	28.0 psi @Temperature 482 °F, Time 336 hour	Heat Resistance, Aluminum to Aluminum
	0.207 MPa @Temperature 250 °C, Time 2.59e+6 sec	30.0 psi @Temperature 482 °F, Time 720 hour	Heat Resistance, Aluminum to Aluminum
	0.276 MPa @Temperature 300 °C, Time 1.21e+6 sec	40.0 psi @Temperature 572 °F, Time 336 hour	Heat Resistance, Aluminum to Aluminum
	0.359 MPa @Temperature 300 °C, Time 2.59e+6 sec	52.0 psi @Temperature 572 °F, Time 720 hour	Heat Resistance, Aluminum to Aluminum

Electrical Properties	Metric	English	Comments
Volume Resistivity	>= 1.00e+14 ohm-cm	>= 1.00e+14 ohm-cm
Dielectric Constant	3.2 @Frequency 60 Hz	3.2 @Frequency 60 Hz
Dielectric Strength	19.7 kV/mm @Thickness 3.17 mm	500 kV/in @Thickness 0.125 in
Dissipation Factor	0.0010 @Frequency 60 Hz	0.0010 @Frequency 60 Hz

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	300 °C	572 °F
Minimum Service Temperature, Air	-59.4 °C	-75.0 °F

Processing Properties	Metric	English	Comments
Tack-Free Time	4.00 - 8.00 min	0.0667 - 0.133 hour
Shelf Life	6.00 Month @Temperature <=23.9 °C	6.00 Month @Temperature <=75.0 °F	in original, unopened containers

Descriptive Properties
Color	black

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PMASTM935 / 185528

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