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Metal adhesives

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Master Bond EP42HT-2ANLV Two part epoxy
Categories: Polymer; Thermoset; Epoxy

Material Notes: Key Features:
  • Convenient handling, long working life
  • High thermal conductivity and electrical insulation
  • Superior chemical resistance
  • Good flow properties
Product Description: Master Bond EP42HT-2ANLV is a two component epoxy adhesive, sealant, coating and casting system featuring thermal conductivity and electrical insulation. It has a forgiving mix ratio of 100 to 40 by weight and flows well. It cures readily at ambient temperatures or more rapidly with heat. The optimum cure schedule is overnight at room temperature, followed by 2-3 hours at 150-200°F. Since it is a filled system, it has exceptionally low shrinkage and stellar dimensional stability. EP42HT-2ANLV bonds well to a wide variety of substrates, including metals, composites, glass, ceramics, rubbers and plastics. It generates very little heat when curing and can be used for potting and casting up to 3-4 inches thick. The system has excellent chemical resistance to water, oils, fuels, acids and bases. Its temperature range is -100°F to +350°F. The color of Part A is off white and Part B is amber. EP42HT-2ANLV is a viable candidate in aerospace, electronic, optical, and specialty OEM where good flow and thermal conductivity combined with electrical insulation are essential to the application.

Product Advantages:

  • Long working life
  • Good flow properties
  • Superior heat conduction
  • Excellent temperature resistance
  • Noteworthy physical property profile

Information provided by Master Bond.

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 4000 - 10000 cPPart B
 80000 - 120000 cPPart A
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D 85 - 95
Tensile Strength 4500 - 5500 psi
Elongation at Break <= 5.0 %
Tensile Modulus 550000 - 650000 psi
Adhesive Bond Strength 900 - 1100 psiTensile lap shear, Al to Al
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity >= 1.00e+14 ohm-cm
 
Thermal PropertiesOriginal ValueComments
CTE, linear 22.0 - 27.0 µm/m-°C
Thermal Conductivity 20.0 - 22.0 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 350 °F
Minimum Service Temperature, Air -100 °F
 
Processing PropertiesOriginal ValueComments
Cure Time 2.00 - 3.00 hour
@Temperature 65.6 - 93.3 °C
Optimal: overnight at 75°F followed by 2-3 hours at 150-200°F
 2.00 - 3.00 hour
@Temperature 93.3 °C
Option 2
 48.0 - 72.0 hour
@Temperature 23.9 °C
Option 1
Working Life 60.0 - 90.0 minafter mixing, 100 gram batch
Shelf Life 6.00 Monthin original, unopened containers
 
Descriptive Properties
Mixing ratio100:40 by weightPart A to B

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PMASTM5926 / 306815

Metal adhesives

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