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Kohesi Bond KB 10473 FL Two component, room temperature curing, flexible epoxy
Categories: Polymer; Thermoset; Epoxy; Epoxy Adhesive; Epoxy Encapsulant, Unreinforced

Material Notes: Product Highlights:
  • Superior optical clarity
  • Excellent flow properties
  • Phenomenal flexibility
  • Very low exotherm, ideal for casting
  • Exceptional electrical insulation properties
  • Resists mechanical and thermal shocks
Kohesi Bond KB 10473 FL is a two component, room temperature curing epoxy system suitable for bonding, sealing, potting and encapsulation. It has a convenient 1:1 (Part A: Part B) mix ratio by weight. This epoxy system offers excellent flexibility and peel strength. It 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 10473 FL is optically clear and offers top notch light transmissions properties. It has a refractive index of 1.51. It offers an extensive service temperature range of 4K (-269.15°C) to +120°C. It has outstanding resistance to mechanical and thermal shocks, even at cryogenic temperatures. It offers minimal shrinkage upon cure. KB 10473 FL adheres well to a wide variety of substrates including metals, ceramics, most plastics and glass. In addition to superior electrical insulation, it also offers lower exotherm, making it ideal for stress free bonding. Part A and Part B are clear in color. KB 10473 FL is widely used in optical, optoelectronic, fiber-optic, electronics and related industries especially where optical clarity, cryogenic serviceability and high flexibility are desired.

Typical Applications:

  • Bonding
  • Sealing
  • Coating
  • Encapsulation
  • Potting

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 500 - 1200 cPPart A
 600 - 1200 cPPart B
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D 25 - 35
Tensile Strength >= 4100 psi
Tensile Modulus 55000 - 110000 psi
Adhesive Bond Strength >= 900 psiTensile Lap Shear, Al/Al
Peel Strength >= 20.0 pliAl/Al
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity >= 1.00e+15 ohm-cm
Dielectric Constant 4.41
@Frequency 60 Hz
 
Thermal PropertiesOriginal ValueComments
CTE, linear 80.0 - 90.0 µm/m-°C
Maximum Service Temperature, Air 120 °C
Minimum Service Temperature, Air -269 °C
 
Optical PropertiesOriginal ValueComments
Refractive Index 1.51
@Wavelength 589 nm
 
Processing PropertiesOriginal ValueComments
Cure Time 2.00 - 3.00 hour
@Temperature 90.0 °C
Option 2
 3.00 - 5.00 hour
@Temperature 70.0 - 90.0 °C
Optimum Cure: overnight at 23°C plus 3 - 5 hours at 70°C - 90°C
 48.0 - 72.0 hour
@Temperature 23.0 °C
Option 1
Working Life 55.0 - 90.0 min100 g of mixed epoxy
Shelf Life 12.0 Monthin original unopened containers

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PKOHESI970 / 249149

Specialty Compounds RTP Company

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