Decorative Electronics Industrial Hallemite Flooring and Construction

RBC-3900 Technical Data Sheet

Type:  Electronics  
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RBC-3900 is a low viscostiy epoxy system designed for potting and encapsulating electrical and electronic components. It offers excellent moisture resistance, convenient mix ratio of 1:1, very low viscosity and excellent thermal shock characteristics.

 

 

HANDLING PROPERTIES:
Mixed Viscosity @ 25oC, cps
Shelf Life, (closed Container @ 25oC)
1,000
12 months
PHYSICAL PROPERTIES (CURED):
Color
Specific Gravity @ 25oC
Hardness, Shore D
Linear Shrinkage, in./in.
Moisture Absorption 10 Days @ 25oC, %
Izod Impact Strength, ft. lbs./in. of notch
Tensile Strength @ 25oC, psi
Compressive Strength @ 25oC, psi
Black
1.14
83
0.002
0.02
0.60
6,550
18,900
THERMAL PROPERTIES (CURED):
Thermal Conductivity, cal/sec/cm2/oC/cm X 10-4
Thermal Stability, 1000 Hrs. @ 175oC, % Wt. Loss
Coefficient of Thermal Expansion, in./in./oC X 10-6
Heat Distortion Temperature, oC
Operating Temperature Range, oC
5.0
4.8
62
70
-50 to 130
ELECTRICAL PROPERTIES (CURED):
Volume Resistivity @ 25oC, ohm-cm
Dielectric Strength, volts/mil
Dielectric Constant @ 25oC, 100 KC
Dissipation Factor @ 25oC, 100 KC
8x1012
475
4.10
0.055


MIXING INSTRUCTIONS:
Weigh the desired amount of #3900 Epoxy Resin into a clean container and combine with recommended amount of #3900 Epoxy Hardener. Mix thoroughly. Entrapped air may be removed by vacuum.

RECOMMENDED CURE SCHEDULE:
 

     
Mix Ratio by weight: 100 parts resin to 100 parts hardener
Mix Ratio by volume: 100 parts resin to 100 parts hardener

 
Pot Life @ 25oC: 50-60 MINS.

 
Cure Time @ 25oC 72 HRS.
  @ 65oC 1-2 HRS.
  @ 100oC 30 MINS.

 

 

ADDITIONAL PUBLICATIONS:

RBC-3900 Resin Material Safety Data Sheet (MSDS)

RBC-3900 Hardener Material Safety Data Sheet (MSDS)

 

 
rbchallemiteamp
RBC Industries, Inc
80 Cypress Street
Warwick, RI 02888
USA
T:  888-RBC-EPOXY    |    888-(722-3769)    |    401-941-3000
F:  401-941-0150
E:  support@rbcepoxy.com