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Metal adhesives

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Tra-Con Tra-Bond F202 Spectrally Transparent High Temperature Epoxy Adhesive
Categories: Polymer; Adhesive; Thermoset; Epoxy; Epoxy, High Temperature

Material Notes: TRA-BOND F202 is a clear, low viscosity epoxy adhesive recommended for photonic applications requiring exposure to high temperatures or chemical and environmental resistance. This 100% solids system exhibits low exotherm during its short cure cycle and for most applications does not require degassing. It is an excellent choice for adhering to metals, glass and ceramics as well as most plastics. The unique chemistry of TRA-BOND F202 has been successfully used in fiber optic connectors as well as small electronic castings and plastic laminates. For casting applications, use a step cure schedule of 2 hours at 65°C plus 3 hours @ 125°C, followed by a post-cure of 1 hour at 150°C if high temperature resistance is required.

Information provided by Tra-Con Inc.

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.18 g/ccMixed
Solids Content 100 %Reactive Solids Content
Viscosity 1000 cP
@Temperature 25.0 °C
After mixing
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D 87
Adhesive Bond Strength 3000 psiLap shear, alum to alum
Izod Impact, Notched 0.290 ft-lb/in
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 1.00e+15 ohm-cm
 
Thermal PropertiesOriginal ValueComments
Maximum Service Temperature, Air 265 °C
Minimum Service Temperature, Air -60.0 °C
Glass Transition Temp, Tg 130 °CUltimate Tg
 
Optical PropertiesOriginal ValueComments
Transmission, Visible 90 %transparent; thickness not quantified
 
Processing PropertiesOriginal ValueComments
Cure Time 1.00 hour1/2 hr @ 135°C + 1/2 hr @ 175°C (optimum properties)
 3.00 hour2 hrs @ 125°C + 1 hr @ 140°C
Pot Life 7200 min(5 days)
 
Descriptive Properties
Color Water White
Mix Ratio, parts by weight100/3Resin/Hardener

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PTRAC246 / 71174

Metal adhesives

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