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Kohesi Bond KB 1039 CRLP-AO Two component, thermally conductive epoxy system for cryogenic applications
Categories: Polymer; Thermoset; Epoxy; Epoxy Adhesive; Epoxy Encapsulant, Unreinforced

Material Notes: Product Highlights:
  • Superior thermal conductivity
  • Very good flow properties
  • Withstands cryogenic shocks and cycling
  • Outstanding mechanical strength properties
  • Excellent electrical insulation properties
  • Capable of passing NASA low outgassing
Kohesi Bond KB 1039 CRLP-AO is a two component, heat curing epoxy system suitable for bonding, sealing, coating, potting and encapsulation. It has a favorable 100:65 (Part A: Part B) mix ratio by weight. This epoxy system offers excellent adhesion to a variety of substrates, such as metals, composites, glass, ceramics, most plastics and rubbers. It offers a long working life at room temperature of over 4 - 5 hours and cures quickly at elevated temperatures. The optimal cure schedule is a room temperature set-up followed by a heat cure at 90°C for 3 - 5 hours. KB 1039 CRLP-AO is specially formulated for use in cryogenic applications. It offers excellent resistance to cryogenic shocks and cycles down to 4K. It is thermally conductive and it is capable of passing NASA standards for low outgassing (ASTM E-595). This superior adhesive fosters outstanding physical strength properties. It offers very low shrinkage upon cure and excellent flow properties. In addition to superior electrical insulation, it also offers very good chemical resistance. Part A is black and Part B is off white in color. KB 1039 CRLP-AO is widely used in applications where thermal conductivity, low outgassing and cryogenic serviceability are key requirements.

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 PropertiesOriginal ValueComments
Viscosity 4000 - 15000 cPMixed
 2500 - 18200 cPPart B
 55000 - 72000 cPPart A
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D >= 75
Tensile Strength >= 5300 psi
Adhesive Bond Strength >= 1600 psiTensile Lap Shear, Al/Al
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity >= 1.00e+15 ohm-cm
Dielectric Constant 4.36
@Frequency 60 Hz
 
Thermal PropertiesOriginal ValueComments
CTE, linear 20.0 - 25.0 µm/m-°C
Thermal Conductivity 1.40 - 1.50 W/m-K
Maximum Service Temperature, Air 135 °C
Minimum Service Temperature, Air -269 °C
 
Processing PropertiesOriginal ValueComments
Cure Time 3.00 - 5.00 hour
@Temperature 95.0 °C
Option 3
 5.00 - 7.00 hour
@Temperature 80.0 °C
Option 2
 8.00 - 10.0 hour
@Temperature 55.0 - 65.0 °C
Option 1
Working Life 300 - 420 min100 g of mixed epoxy
Shelf Life 6.00 Monthin original unopened containers

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PKOHESI907 / 249086

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