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Metal adhesives

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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.

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.05 g/cc
Viscosity 40000 - 60000 cP
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore A 25 - 35
Tensile Strength 200 - 300 psi
 128 psi
@Temperature 300 °C,
Time 2.59e+6 sec
Heat Resistance, Aluminum to Aluminum
 156 psi
@Temperature 300 °C,
Time 1.21e+6 sec
Heat Resistance, Aluminum to Aluminum
 170 psi
@Temperature 250 °C,
Time 1.21e+6 sec
Heat Resistance, Aluminum to Aluminum
 170 psi
@Temperature 300 °C,
Time 605000 sec
Heat Resistance, Aluminum to Aluminum
 185 psi
@Temperature 250 °C,
Time 605000 sec
Heat Resistance, Aluminum to Aluminum
 213 psi
@Temperature 250 °C,
Time 2.59e+6 sec
Heat Resistance, Aluminum to Aluminum
 250 psi
@Temperature 250 °C,
Time 346000 sec
Heat Resistance, Aluminum to Aluminum
 250 psi
@Temperature 300 °C,
Time 346000 sec
Heat Resistance, Aluminum to Aluminum
Elongation at Break 200 - 300 %
 100 %
@Treatment Temp. 300 °C,
Time 2.59e+6 sec
Heat Resistance, Aluminum to Aluminum
 150 %
@Treatment Temp. 300 °C,
Time 1.21e+6 sec
Heat Resistance, Aluminum to Aluminum
 240 %
@Treatment Temp. 300 °C,
Time 605000 sec
Heat Resistance, Aluminum to Aluminum
 250 %
@Treatment Temp. 250 °C,
Time 2.59e+6 sec
Heat Resistance, Aluminum to Aluminum
 260 %
@Treatment Temp. 250 °C,
Time 346000 sec
Heat Resistance, Aluminum to Aluminum
 260 %
@Treatment Temp. 250 °C,
Time 1.21e+6 sec
Heat Resistance, Aluminum to Aluminum
 260 %
@Treatment Temp. 300 °C,
Time 346000 sec
Heat Resistance, Aluminum to Aluminum
 290 %
@Treatment Temp. 250 °C,
Time 605000 sec
Heat Resistance, Aluminum to Aluminum
Adhesive Bond Strength 40.0 - 80.0 psiTensile Lap, Aluminum to Aluminum
 25.0 psi
@Temperature 300 °C,
Time 605000 sec
Heat Resistance, Aluminum to Aluminum
 26.0 psi
@Temperature 250 °C,
Time 346000 sec
Heat Resistance, Aluminum to Aluminum
 26.0 psi
@Temperature 250 °C,
Time 605000 sec
Heat Resistance, Aluminum to Aluminum
 26.0 psi
@Temperature 300 °C,
Time 346000 sec
Heat Resistance, Aluminum to Aluminum
 28.0 psi
@Temperature 250 °C,
Time 1.21e+6 sec
Heat Resistance, Aluminum to Aluminum
 30.0 psi
@Temperature 250 °C,
Time 2.59e+6 sec
Heat Resistance, Aluminum to Aluminum
 40.0 psi
@Temperature 300 °C,
Time 1.21e+6 sec
Heat Resistance, Aluminum to Aluminum
 52.0 psi
@Temperature 300 °C,
Time 2.59e+6 sec
Heat Resistance, Aluminum to Aluminum
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity >= 1.00e+14 ohm-cm
Dielectric Constant 3.2
@Frequency 60 Hz
Dielectric Strength 500 V/mil
@Thickness 3.17 mm
Dissipation Factor 0.0010
@Frequency 60 Hz
 
Thermal PropertiesOriginal ValueComments
Maximum Service Temperature, Air 572 °F
Minimum Service Temperature, Air -75.0 °F
 
Processing PropertiesOriginal ValueComments
Tack-Free Time 4.00 - 8.00 min
Shelf Life 6.00 Month
@Temperature <=23.9 °C
in original, unopened containers
 
Descriptive Properties
Colorblack

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PMASTM935 / 185528

Metal adhesives

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