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Kohesi Bond KB 1600 FR-V Two component, flame retardant epoxy capable of passing FAR standard
Categories: Polymer; Thermoset; Epoxy; Epoxy Encapsulant, Unreinforced

Material Notes: Product Highlights:
  • Can pass FAR Standard 14 CFR 25.853 (a)
  • Capable of passing vertical burn test
  • Non-halogen filler
  • Low shrinkage upon cure
  • Convenient mix ratio of 1:1 by weight
  • Excellent electrical insulation properties
Kohesi Bond KB 1600 FR-V is a two component epoxy system that offers a convenient to use mix ratio of 1:1 by weight. This flame retardant epoxy is capable of passing the vertical burn test specifications as per Amendment 25-116 and Part 25 Appendix F of the FAR standards. It contains a non-halogenated filler, making it easy to handle and environmentally friendly. The optimum cure schedule for KB 1600 FR-V would be an overnight room temperature set-up followed by an addition of heat at 90°C for 3 - 5 hours. KB 1600 FR-V offers an extensive service temperature range of -51°C to +121°C. This product’s flow properties and long working time makes it ideal for use in potting and encapsulation applications. In addition to ease of application, KB 1600 FR-V adheres well to a wide variety of substrates including metals, ceramics, most plastics and glass. KB 1600 FR-V offers phenomenal electrical insulation. It also offers excellent chemical resistance to a variety of fuels, oils, common solvents and water. Part A has a black color and Part B has a white color. This system’s color coding aids in proper mixing. Its capability of meeting the FAR standards makes it ideal for use in aviation and avionic related applications, such as door and floor assemblies, interior panels and electronic potting and sealing.

Typical Applications:

  • Bonding
  • Coating
  • Potting
  • Encapsulation
  • Casting

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 20000 - 40000 cPPart A
 20000 - 40000 cPPart B
 20000 - 40000 cPMixed
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D >= 75
Tensile Strength 4000 - 5200 psi
Tensile Modulus 260000 - 310000 psi
Adhesive Bond Strength >= 1500 psiTensile Lap Shear, Al/Al
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity >= 1.00e+14 ohm-cm
Dielectric Constant 4.51
@Frequency 60 Hz
 
Thermal PropertiesOriginal ValueComments
CTE, linear 35.0 - 45.0 µm/m-°C
Maximum Service Temperature, Air 121 °C
Minimum Service Temperature, Air -51.0 °C
 
Processing PropertiesOriginal ValueComments
Cure Time 3.00 - 4.00 hour
@Temperature 70.0 - 90.0 °C
Optimum Cure: overnight at 23°C plus 3-4 hours at 70°C-90°C
Working Life 240 - 300 min100 g of mixed epoxy
Shelf Life 6.00 Monthin original unopened containers

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PKOHESI953 / 249132

Specialty Compounds RTP Company

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