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RBC-2400 Technical Data Sheet

Type:  Industrial  
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RBC #2400 is a filled epoxy adhesive that cures at room temperature and offers excellent adhesion to both porous and non-porous surfaces.  When combined with Hardener AB-520, its resistance to solvents, chemicals, and environmental conditions is impressive.  Variations in rigidity and resiliency may be obtained by changing hardener ratios.  It cures with low exotherm, making it an ideal encapsulant for heat-sensitive parts.




Mixed Viscosity @ 25oC,cps                                                                              45,000

Shelf Life, (Closed Container @ 25oC)                                                           12 Months




Color                                                                                                                     Black

Specific Gravity @ 25oC                                                                                    1.30

Hardness, Shore D                                                                                            65

Linear Shrinkage, in./in.                                                                                     0.005

Moisture Absorption 10 Days @ 25oC, %                                                      0.50

Izod Impact Strength, ft. lbs./in. of notch                                                         1.10

Bond Shear Strength, psi AI/AI @ 25oC                                                          4,100

Tensile Strength @ 25oC, psi                                                                           8,000

Compressive Strength  @ 25oC, psi                                                              12,000




Thermal Conductivity, cal/sec/cm2/oC/cm X 10-4                                              8.0

Thermal Stability, 1000 Hrs. @ 175oC, % Wt. Loss                                         0.85

Coefficient of Thermal Expansion, in./in./oC X 10-6                                          45

Heat Distortion Temperature, oC                                                                         40

Operating Temperature Range, oC                                                                     -65 to 100




Volume Resistivity  @ 25oC, ohm-cm                                                                9x1013

Dielectric Strength, volts/mil                                                                                 450

Dielectric Constant @ 25oC, 100 KC                                                                  4.1

Dissipation Factor @ 25oC, 100 KC                                                                    0.020


The above properties are typical of a semi-flexible formulation cured for 1 hour @ 65oC and 1 hour  @ 120oC.



MIXING INSTRUCTIONS:  Stir #2400 Resin thoroughly in its shipping container and then weigh desired amounts of resin and hardener into a clean container.  Mix thoroughly for at least three minutes by hand, or one minute by machine.


Rigid, heat resistant                100 parts RBC #2400

                                                  50 parts Hardener #AB-520


Semi-Flexible, impact             100 parts RBC #2400

and shock resistant                 100 parts Hardener #AB-520


Flexible, excellent                   100 parts RBC #2400

peel strength                            150 parts Hardener #AB-520


RECOMMENDED CURE SCHEDULE:  Pot life ranges from 1-3 hours depending on batch size and hardener ratio.  Cure for 72 hours at room temperature (25oC) or 2 hours at 65oC.  For optimum properties, cure 1 hour at 65oC followed by 1 hour at 120oC.

























RBC Industries, Inc
80 Cypress Street
Warwick, RI 02888
T:  888-RBC-EPOXY    |    888-(722-3769)    |    401-941-3000
F:  401-941-0150