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Metal adhesives

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Master Bond Supreme 3HTND-2DA One Component Epoxy
Categories: Polymer; Adhesive; Thermoset; Epoxy; Epoxy Adhesive

Material Notes: Key Features:
  • Convenient packaging and dispensing
  • Toughened system
  • Very fast curing
  • High bond strength
Product Description: Master Bond Supreme 3HTND-1SM is a one part, no mix system that combines easy processing, excellent physical and bonding strength properties, and the enhanced ability to resist thermal cycling for surface mount applications. This system requires oven curing at a minimum temperature of 250°F and will cure more quickly at 300-350°F. Therefore, its working life at room temperature is essentially unlimited. It is a smooth paste-like consistency that is ideal for surface mount usage, and when dispensed eliminates tailing. Also, it is available in a variety of colors although the standard is tan to brown. Additionally, it has excellent electrical insulation properties, good thermal conductivity and an enhanced ability to withstand thermal cycling and thermal and mechanical shocks. Supreme 3HTND-1SM is specially formulated to have exceptionally low ionic levels. The service temperature for this system is -100°F to +350°F. It is 100% reactive and does not contain any diluents or solvents. Although primarily intended for surface mount applications, it can be used in aerospace, specialty OEM and other electronic applications where an epoxy system with this dispensing profile is desirable.

Product Advantages:

  • Single component system; no mixing required
  • Working life is “unlimited” at room temperature
  • Fast curing with versatile cure schedules
  • Excellent adhesive properties
  • Outstanding electrical insulator
  • Superior ability to withstand thermal cycling; thermal and mechanical shocks

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 1.60 g/cc
Solids Content 100 %
Viscosity >= 300000 cP
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D >= 70
Tensile Strength >= 7000 psi
Tensile Modulus 250000 - 300000 psi
Adhesive Bond Strength >= 2400 psiTensile Lap, Aluminum to Aluminum
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity >= 1.00e+14 ohm-cm
Dielectric Constant 4.5
@Frequency 60 Hz
 
Thermal PropertiesOriginal ValueComments
CTE, linear 25.0 - 30.0 µm/m-°C
Thermal Conductivity 9.00 - 10.0 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 400 °F
Minimum Service Temperature, Air -100 °F
Glass Transition Temp, Tg 100 - 105 °C
 
Processing PropertiesOriginal ValueComments
Cure Time 5.00 - 10.0 min
@Temperature 149 °C
 20.0 - 30.0 min
@Temperature 121 °C
Shelf Life 6.00 Month
@Temperature 4.44 - 10.0 °C
in original, unopened containers
 
Descriptive Properties
ColorYellow-tan
Die Shear Strength19-21 kg-f2 x 2 mm [80 x 80 mil]
Die Size4--400 mm2
Thixotropic Index4.33

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PMASTM951 / 185544

Metal adhesives

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