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Chemically Resistant adhesives

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Master Bond EP21TDCANHT Two Component Thermally Conductive, Electrically Insulative Epoxy Adhesive
Categories: Polymer; Thermoset; Epoxy; Epoxy Encapsulant, Unreinforced

Material Notes: Product Description: EP21TDCANHT is a two component, flexibilized, thermally conductive epoxy adhesive that will cure at room temperature, or more rapidly at elevated temperature. It is a good adhesive sealant, with high peel strength and tensile lap shear. It has a very convenient mix ratio(1:1), weight or volume, and is serviceable over an exceptionally wide temperature range of -100 to 400°F. As a flexibilized system, it is an ideal adhesive for bond dissimilar substrates when thermal conductivity is needed. EP21TDCANHT has good thermal and mechanical shock resistance and is readily thermally cyclable. Finally, EP21TDCANHT offers very high thermal conductivity.

Product Advantages:

  • Convenient mixing: non-critical equal weight or volume ratio.
  • Easy application: contact pressure only required for cure; adhesive spreads evenly and smoothly; no drip application feature.
  • Versatile cure schedules: ambient temperature cures or fast elevated temperature cures as required.
  • High shear and peel strength, ideal for dissimilar substrates.
  • Good durability, thermal shock and chemical resistance.
  • Very High thermal conductivity with excellent electrical insulation properties.
  • Very wide service temperature range -100 to 350°F.

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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Mechanical PropertiesOriginal ValueComments
Shear Strength 1900 psiafter 30 days water immersion, Al/Al, Bond
 2100 psiAl/Al, Bond
Peel Strength 25.0 pliT-peel
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity >= 1.00e+15 ohm-cm
Dielectric Strength 450 V/mil
@Thickness 3.17 mm
 
Thermal PropertiesOriginal ValueComments
Thermal Conductivity 22.0 - 24.0 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 350 °F
Minimum Service Temperature, Air -100 °F
 
Processing PropertiesOriginal ValueComments
Cure Time 2.00 - 4.00 hour
@Temperature 93.3 °C
 48.0 - 72.0 hour
@Temperature 23.9 °C
Pot Life 45 - 60 min1 quart mass
 60 - 90 min200 gram mass
Shelf Life 6.00 Month
@Temperature 23.9 °C
in 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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PMASTB321 / 149568

Chemically Resistant adhesives

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