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Ensinger PEI

Kohesi Bond KB 1040 AN-1 Two component, room temperature curing, thermally conductive epoxy
Categories: Polymer; Thermoset; Epoxy; Epoxy Adhesive; Epoxy, Thermally Conductive

Material Notes: Product Highlights:
  • Superior thermal conductivity
  • Very low coefficient of thermal expansion
  • Excellent dimensional stability
  • Excellent flow properties
  • Outstanding electrical insulation properties
  • Capable of passing NASA low outgassing
Kohesi Bond KB 1040 AN-1 is a two component, room temperature curing epoxy system suitable for bonding, sealing, potting and encapsulation. It has a favorable 10:1 (Part A: Part B) mix ratio by weight. It offers stellar thermal conductivity and is capable of passing NASA low outgassing test. Its stellar heat transfer capabilities and flow characteristics make it fitting for potting applications. This epoxy system readily cures at room temperature and can achieve faster cures at elevated temperatures. The optimal cure schedule is an overnight room temperature set-up followed by a heat cure at 70°C - 90°C for 3 - 5 hours. KB 1040 AN-1 can withstand severe thermal cycling and provides superior physical strength properties and dimensional stability. It offers an extensive service temperature range of -50°C to +120°C. KB 1040 AN-1 adheres well to a wide variety of substrates including metals, ceramics, most plastics and glass. It offers chemical resistance to a variety of fuels, oils and water. Part A has a gray color and Part B has a clear color. Owing to its excellent performance and vacuum compatibility KB 1040 AN-1 is widely used in aerospace, electronics and related industries.

Typical Applications:

  • Bonding
  • Sealing
  • Coating
  • Potting
  • Encapsulation

Information provided by Kohesi Bond Custom Engineered Adhesives

Vendors: Kohesi Bond is a pioneer in manufacturing over 300 grades of custom engineered adhesives, sealants, coatings, potting and encapsulation compounds. Our first-rate adhesives are tailor-fitted to meet your exact specifications and offer superior strength and performance in your application. Learn more about Kohesi Bond’s industry-ready products at kohesibond.com.

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Physical PropertiesMetricEnglishComments
Viscosity 300 - 450 cP300 - 450 cPPart B
 10000 - 20000 cP10000 - 20000 cPPart A
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D >= 85>= 85
Tensile Strength >= 44.8 MPa>= 6500 psi
Compressive Strength >= 128 MPa>= 18500 psi
Adhesive Bond Strength >= 6.89 MPa>= 1000 psiTensile Lap Shear, Al/Al
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity >= 1.00e+14 ohm-cm>= 1.00e+14 ohm-cm
Dielectric Constant 6.42
@Frequency 60 Hz
6.42
@Frequency 60 Hz
Dielectric Strength 16.5 kV/mm
@Thickness 3.17 mm
420 kV/in
@Thickness 0.125 in
 
Thermal PropertiesMetricEnglishComments
CTE, linear 18.0 - 25.0 µm/m-°C10.0 - 13.9 µin/in-°F
Thermal Conductivity 3.60 - 3.70 W/m-K25.0 - 25.7 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 120 °C248 °F
Minimum Service Temperature, Air -50.0 °C-58.0 °F
 
Processing PropertiesMetricEnglishComments
Cure Time  120 - 180 min
@Temperature 90.0 °C
2.00 - 3.00 hour
@Temperature 194 °F
Option 2
 180 - 300 min
@Temperature 70.0 - 90.0 °C
3.00 - 5.00 hour
@Temperature 158 - 194 °F
Optimum Cure: overnight at 23°C plus 3 - 5 hours at 70°C - 90°C
 2880 - 4320 min
@Temperature 23.0 °C
48.0 - 72.0 hour
@Temperature 73.4 °F
Option 1
Working Life 30.0 - 50.0 min30.0 - 50.0 min100 g of mixed epoxy
Shelf Life 6.00 Month6.00 Monthin original unopened containers

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 view all the property values for this datasheet as they were originally entered into MatWeb.

PKOHESI911 / 249090

Proto3000 – 3D Engineering Solutions

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