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Bondline 2156 is a resilient tungsten and silver filled premixed and frozen epoxy. It provides good adhesion, low volume resistivity and thermal conductivity.

Product Type: Adhesive

Chemical Family: Epoxy & Epoxy Derivatives

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Knowde Enhanced TDS

Identification & Functionality

Product Type

Features & Benefits

Applications & Uses

Applications

APPLICATION

Check the work life of the adhesive, on the technical data sheet. Adhesives must be used within its work life .Ihe adhesives properties will change it it is used past the allowable work lite. Apply adhesive using dispensing equipment of choice.

CURE

Choose a Cure Option (time & temperature) from the Bondline technical data sheet. Preheat the oven to the temperature of the selected cure option. For optimum cure, do not deviate from the selected cure option. Be sure to allow additional time for holding fixtures to reach cure temperature. Avoid opening oven doors during cure. Large fixtures and/or multiple fixtures may require extended cure time.

Properties

Adhesive Properties
ValueUnitsTest Method / Conditions
Viscosity12000.0cps-
Work Life (25°C)8.0hours-
Hardness75.0Shore D-
Cure Options (100°C)2.0hours-
Cure Options (65°C)8.0hours-
Service Temperature Range-55 to 150°C-
Lap Shear Strength (25°C, Al to Al )2200.0psi-
Volume Resistivity (Cured 2 hours, 100°C)0.0002ohm cm-
Specific Gravity4.6--
Glass Transition Temperature (Tg)35.0°C-
Weight Loss (TGA, 85°C)Nil%-
Weight Loss (105°C)0.23%-
Thermal Conductivity3.0W/m K-
Coefficient of Thermal Expansion (60°C to 125°C)154 x 10⁻⁶in/in/°C-

Safety & Health

Safety

Always wear protective gloves and goggles while handling adhesives. Only work with adhesives in well-ventilated areas, with curing ovens vented outside. For industrial use only.

Packaging & Availability

Availability

Net volume 1cc to 2.5cc, available in disposable 3cc syringes.

Storage & Handling

Shelf Life
6 (-40°C or Colder)
Storage & Handling

GENERAL INSTRUCTIONS FOR ADHESIVE STORAGE/ USE

FROZEN STORAGE

This adhesive must be stored at (minus) –40°C (°F) or colder at all times. Storing this adhesive at temperatures warmer than (minus) –40°C (°F) will shorten its work life.

DO NOT RE-FREEZE adhesive that has already been thawed

THAWING PROCESS

Remove frozen syringe from freezer. Place in vertical position with lure lock end pointed down during thaw. Adhesive must reach room temperature before use. See chart below based on syringe size.

SYRINGE SIZE THAW TIME
1cc 5 minutes
3cc 10 minutes
5cc 15 minutes
10cc 20 minutes