RBC #7153 is a lower viscosity, faster setting version of RBC #7141 which can be used for potting and encapsulating as well as mold making. When used with the proper catalyst this system can be cured in just minutes or can provide up to two hours of working time. RBC #7153 offers excellent physical and electrical properties.
Mixed Viscosity @ 25oC,cps: 12,000
Shelf Life, (Closed Container @ 25oC): 6 Months
Specific Gravity @ 25oC: 1.30
Hardness, Shore A: 50
Linear Shrinkage, in./in.: 0.002
Elongation, % @ Yield: 215
Tensile Strength @ 25oC, psi: 525
Tear Resistance, lbs./in.: 35
Thermal Conductivity, cal/sec/cm2/oC/cm X 10-4: 7.5
Coefficient of Thermal Expansion, in./in./oC X 10-5: 11.0
Operating Temperature Range, oC: -70 to 205
Volume Resistivity @ 25oC, ohm-cm: 2×101
Dielectric Strength, volts/mil: 575
Dielectric Constant @ 25oC, 100 KC: 3.75
Dissipation Factor @ 25oC, 100 KC: 0.018
The above properties are based on Catalyst #720.
714: Low viscosity, clear version of 720 for deep section cure.
720: Fast, room temperature cure catalyst, pigmented green, will not corrode copper. Good resistance to inhibition.
725: Fastest room temperature cure catalyst for thin and medium section cure.
730: Fast, room temperature cure catalyst for deep sections.
740: Clear catalyst for thin section cure.
Stir RBC #7153 in its shipping container prior to each use to insure uniformity. Use of power equipment is recommended. Weigh the desired amount of RBC #7153 in a clean container and combine with recommended catalyst is listed below.