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Master Bond adhesives

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Master Bond EP21LVSP6 Two component epoxy for bonding, sealing, coating and encapsulating
Categories: Polymer; Thermoset; Epoxy; Epoxy Encapsulant, Unreinforced

Material Notes: Product Description: Master Bond EP21LVSP6 is a two component epoxy compound for high performance bonding, coating, sealing and encapsulating. It is formulated to cure at room temperature or more rapidly at elevated temperatures. It offers a very convenient one to one mix ratio, by weight or volume. EP21LVSP6 is particularly well conceived for specialty applications where the combination of a long open time, low viscosity and excellent physical properties are all vital to an application. The system also has very good chemical resistance to water, oil, fuel, acids and bases. EP21LVSP6 bonds well to a variety of substrates, including metals, composites, glass, ceramics, rubbers and plastics. It has very good physical strength properties as well as being a good electrical insulator. It has a service temperature range of -60°F to +250°F. The color of Part A is clear and Part B is amber clear. This system can be used in aerospace, electronic, electrical, optical and other specialty applications where high performance properties combined with a long pot life and low viscosity are desirable. As one would expect with this kind of system, it has very low exotherm and can be used for large castings.

Product Advantages:

  • Convenient mixing: non-critical equal weight or volume ratio
  • Low viscosity for ease of application
  • Exceptionally long open time
  • High bonding strength to a wide variety of substrates
  • Magnificent electrical insulation properties
  • Little exotherm; suitable for large castings

Information provided by MasterBond®

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
Viscosity 1500 - 3000 cPPart A
 5000 - 8000 cPPart B
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D >= 70
Tensile Strength at Break >= 7000 psi
@Temperature 23.9 °C
Shear Strength >= 2500 psiAl/Al, Tensile lap
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity >= 1.00e+14 ohm-cm
Dielectric Constant 2.8
@Frequency 60 Hz,
Temperature 25.0 °C
Dielectric Strength 450 V/mil
@Thickness 3.17 mm
 
Thermal PropertiesOriginal ValueComments
CTE, linear 50.0 - 55.0 µm/m-°C
Maximum Service Temperature, Air 250 °F
Minimum Service Temperature, Air -60.0 °F
 
Processing PropertiesOriginal ValueComments
Cure Time 72.0 - 240 hour
@Temperature 93.3 °C
 72.0 - 300 hour
@Temperature 23.9 °C
Pot Life 3.0 - 5.0 min100 gram mass
Shelf Life 12.0 Month
@Temperature 23.9 °C
in original unopened containers
 
Descriptive Properties
Mixing Ratio (A to B)1:1by weight or volume

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

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PMASTB314 / 149561

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