Brand Loctite, Armstrong Application Type Bond, Seal 1 Part or 2 Part 2 Part Material Form Paste Substrate Ceramic, Copper, Phenolic, Glass, Aluminium, Iron, Metal, Plastic laminates, PVC, Hard rubber, Wood, Polyester Glass, Plastics, ThermoPlastics, Thermosetting Plastics Industry Switch contacts, Food conveyors in processing plants, Rocket Cases, Trailers Manufacturer Henkel Chemistry Epoxy Cure Method Part A/Part B Viscosity (cPs) Non-flowing Color Stone
Technical Data for Henkel Armstrong A-12T Epoxy Resin
1 Part or 2 Part
- 1 Part or 2 Part - 2 Part
- Part A Name - Part A
- Part B Name - Part B
- Food & Beverage - Food conveyors in processing plants
- Other Transportation - Solid fuel fuses
- Trailer - Trailers
- Aerospace - Rocket Cases
- Electronics - Switch contacts
- Industrial - Cryogenic, Liquid nitrogen lines, Wear plates
- Construction - Architecture
- Other - Cast Iron ways, Hermetic, Laminate, Vibration
- 2-Part Cure - Part A/Part B
- Gray - Stone
Viscosity (cPs) Non-flowing Linear Shrinkage (%) Low Work / Pot Time (min) 90 Thixotropic Thixotropic Mix Ratio 1:1 (by volume)
General Bond Strength (psi) High
Flexibility Rigid, Semi-rigid
Specific Gravity 1.370, 1.210
Shelf Life Details Stored below 25°C out of sunlight and in original unopened containers.
Best Practices for Henkel Armstrong A-12T Epoxy Resin
A-12T is a 2 part system (Part A and Part B), having a convenient and non-critical mixing ratio. High strength, permanent bonds are obtained by curing this adhesive either at room temperature or slightly elevated temperatures.
The two components of the A-12T system are different colors, providing a visual indication of proper and complete mixing. Part A is dark brown, Part B is light gray.
The most frequently used ratio is equal parts by weight.
This is changed to vary the flexibility of the cured adhesive, with a ratio of 2 parts A to 3 parts B most common for flexible materials, or extreme vibration applications. In cryogenic applications the ratio may be as high as 1 Part A to 4 Part B. A rigid glue line results from a mixture of 3 parts A to 2 parts B. This also provides the highest strength in the 130° - 170°F range and is recommended where maximum chemical and solvent resistance is required or where high compressive forces exist.
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