ARALDITE® AV 8504 / HARDENER TDT 177-27

ARALDITE® AV 8504 / TDT 177-27 is an aerospace adhesive used in panel pin bonding. ARALDITE® AV 8504 Resin / TDT 177-27 Hardener epoxy adhesive is a two-component system that provides good sag resistance, high bond strength, and toughness. It can be cured at room temperature or elevated temperatures. ARALDITE® AV 8504 Resin / TDT 177-27 Hardener epoxy adhesive provides good adhesion properties to a wide variety of substrates and resilient bondlines once fully cured.

RTU Product Type: 2K (2 component) Adhesive, Epoxy Adhesive, Syntactic Adhesive

Application Area: Aerospace Applications, Panels

Chemical Family: Epoxy & Epoxy Derivatives

Features: Fast Curing, Good Adhesion, Good Sagging Resistance, Good Toughness, High Bond Strength, High Temperature Curing, Non-Sagging, Room Temperature Curing

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Enhanced TDS

Identification & Functionality

Features & Benefits

Ready-to-Use Product Features
Product Features
  • Sag Resistant
  • Fast Curing
  • User friendly mix ratio
  • Suitable for panel pin bonding

Applications & Uses

Application Area
Markets
Applications
Processing Information

Pretreatment

  • The strength and durability of a bonded joint are dependant on proper treatment of the surfaces to be bonded.
  • At the very least, joint surfaces should be cleaned with a good degreasing agent such as acetone or other appropriate degreasing agent in order to remove all traces of oil, grease and dirt.
  • Alcohol, gasoline or paint thinners should never be used.
  • The strongest and most durable joints are obtained by either mechanically abrading or chemically etching (“pickling”) the degreased surfaces.
  • Abrading should be followed by a second degreasing treatment.

Technical Details & Test Data

Test Data

 Effect of Cure Time/Temperature

 

Cure Temp (°C) Cure Time Lap Shear Strength (MPa)
20 8 hrs 5.9
15 hrs 9.8
24 hrs 11.7
60 15 min 8.8
30 min 12.7
100 10 min 11.7
15 min 14.7

 

Effect of Test Temperature

 

Cure Cycle Test Temp (°C) Lap Shear Strength (MPa)
30 min at 60°C -20 11
20 12.7
60 8.8
100 3.9
Equipment Maintenance
  • The removal of cured adhesive residues being a tedious and time-consuming operation, all tools and equipment should preferably be cleaned with hot soapy water before adhesives residues have had time to cure.
  • If organic solvents such as acetone have to be used for cleaning, the operators should take all the appropriate precautions and wear some suitable personal protective equipment to prevent any contact with skin and eyes.
Typical Cured Properties
Hardness, Shore D 80 ASTM D-2240
Glass Transition Temperature, °F (C) 167 (75) ASTM E-1545
Coefficient of Thermal Expansion (in/in/°F) 5.40 x 10⁻⁵ ASTM E-831
Lap Shear Strength @ 77°F (25℃), psi (MPa) 1850 (12.7) ASTM D-1002

Effect of Cure Time/Temperature

Cure Temp. °F (C) Cure Time

Lap Shear Strength psi (Mpa)

68 (20) 8 hrs 850 (5.9)
15 hrs 1,420 (9.8)
24 hrs 1,700 (11.7)
140 (60) 15 min 1,280 (8.8)
30 min 1,850 (12.7)
212 (100) 10 min 1,700 (11.7)
15 min 2,130 (14.7)

Effect of Test Temperature

Cure Cycle Test Temp. °F(C)

Lap Shear Strength

30 min @ 140°F (60C) -4 (-20) 1,560 (11)
68 (20) 1,850 (12.7)
140 (60) 1,280 (8.8)
212 (100) 570 (3.9)

 

Safety & Health

Safety Information

Keep out of reach of children

Packaging & Availability

Regional Availability
  • Americas
Packaging Information
  • Araldite® AV 8504 Resin / TDT 177-27 Hardener Adhesive is available in 50 ml and 200 ml twin cartridges.
  • Individual components are also available in 5- gallon bulk containers.

Storage & Handling

Storage Conditions
  • To be sored in a dry location in their original sealed containers at a temperature within 36ºF to 104ºF (2º to 40ºC), Araldite® AV 8504 and TDT 177-27 Hardener have a shelf-life of 18 months. (expiration date may differ based on customer specification).
  • Tightly reseal containers afetr each use. Do not expose the components to direct sunlight.
Storage and Shelf Life Information
  • When supplied under Huntsman standard certification and stored in a dry location in their original sealed containers at a temperature within 36ºF to 104ºF, it has a shelf-life of 18 months. (expiration date may differ based on customer specification).
  • Tightly reseal containers after each use.
  • Do not expose the components to direct sunlight.

Other

Appearance
Black thixotropic paste
Physical Properties
ValueUnitsTest Method / Conditions
Gel Time15.0 mmASTM D2741 at 25°C, 100g
Sag Resistance1.5 ininASTM D2730 at 25°C
Specific Gravity1.17-ASTM D792 at 25°C