First-Aid Kits for Circuit Boards ®
22 Parkridge Road
Haverhill, MA 01835 USA
Copyright © CircuitMedic. All rights reserved.
A Circuit Technology Center Company
Operating Instructions

Instruction No. INS1039

Circuit Bond
Circuit Bond is a clear, low viscosity, superior strength epoxy, precisely measured out into two-compartment plastic packages so it's easy to use and there's no measuring.

Packaging2 gram pre-measured packages
Mix ratio4 parts resin to 1 part hardener
ColorClear, transparent
Pot life30 minutes
Cure cycle24 hours at room temperature or 4 hours @ 149°F (65°C)
Viscosity (after mixing)2000 cps
Operating temperature range-67°F to 275°F (-55°C to 135°C)
Hardness88 Shore D
Dielectric strength400 volts/mil
Shelf Life6 months minimum

Circuit Bond Application Instructions
  1. Circuit Bond has a working pot life of 30 minutes. It should not be mixed until ready to use.
  2. To use Circuit Bond, remove the plastic clip separating the resin and hardener. Squeeze back and forth from one half of the package to the other to mix the contents.
  3. Cut a corner off the package and squeeze all the contents into a Plastic Cup. Stir the contents to ensure it is thoroughly mixed.
  4. NOTE: Circuit Bond may contain bubbles from the mixing process. If needed use a vacuum system to remove bubbles.
  5. If desired Color Agent can be mixed in with Circuit Bond to match surface colors.
  6. Apply using a Foam Swab, Micro Probe or Mixing Stick as required.
  7. Cure Circuit Bond for 24 hours at room temperature or 4 hours at 65°C (150°F).

Color Agents

Color Agent is a one part, air-drying, semi-paste ink commonly used for printing on hard surfaces, including circuit board base materials. Color Agent can be applied directly to circuit board surfaces prior to overcoating. When applied directly to a circuit board surface apply a thin coating and cure for 24 hours at room temperature or 4 hours @ 65°C (150°F).

Color Agent can be used to tint the color of 115-3302 Circuit Bond epoxy used for solder mask repair or circuit base board repair. For information on 115-3302 Circuit Bond go to:

Color Agent is supplied in 1 oz. (29 ml) collapsible metal tubes.

Available Colors

Part No. Description Color
115-9102 115-9102 Color Agent, Yellow  
115-9185 115-9185 Color Agent, Red  
115-9293 115-9293 Color Agent, Blue  
115-9348 115-9348 Color Agent, Green  
115-9358 115-9358 Color Agent, Light Green  
115-9376 115-9376 Color Agent, Medium Green  
115-9424 115-9424 Color Agent, Dark Gray  
115-9457 115-9457 Color Agent, Light Brown  
115-9560 115-9560 Color Agent, Dark Green  
115-9561 115-9561 Color Agent, Green  
115-9995 115-9995 Color Agent, Black  
115-9996 115-9996 Color Agent - White  

Reference Procedures
For detailed step by step process instructions for the following procedures.
1.0 Foreword
2.0 Basic Procedures
2.2 Cleaning
2.5 Baking and Preheating
2.7 Epoxy Mixing and Handling
3.0 Base Board Procedures