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About IRS 2126 Fast Cure Flexible Epoxy Adhesive

IRS 2126 Fast Cure Flexible Epoxy Adhesive is a high performance, thixotropic black resin system. Its combination of flexibility and high adhesive strength lends itself to many high technology bonding applications. A two part system with a simple 1:1 mix ratio, it is supplied in a convenient side-by-side double syringe cartridge, complete with static mixing nozzles, or in small twinpacks.

Features & Benefits

  • Cures to a flexible polymer
  • Sets in minutes at room temperature
  • Will bond to most substrates, including metal, glass, wood, rubber and many plastics
  • Good adhesion to flexible substrates
  • Good temperature and oil resistance
  • Good shock resistance
  • Conveniently packaged – supplied in 50ml dual cartridge for easy application, or in small twinpacks
  • Long shelf life – 12 months from date of manufacture


Mix ratio 1:1 resin to hardener
Viscosity Resin: ~ 17,000 cps
Hardener: high (thixotropic)
Mixed viscosity ~ 25,000 cps
Specific gravity Resin: 1.16
Hardener: 1.18
Colour Black
Cure schedule
10 gram mix at 23°C
Pot life 5-10 minutes
Handling strength 20 minutes
Full cure 2 hours
Maximum recommended mix 25 grams
Cured properties
Measurements taken @ 23°C
Hardness, Shore A 80
Lap shear strength (Al/Al) 9MPa
Temperature range -40 to 150°C
Peel strength (neoprene/neoprene) 50N/25mm
Lap shear IRS 2126
Lap shear results for IRS 2126
Lap shear graph IRS 2126
Lap shear results for IRS 2126

Other Information

See how the IRS 2126 works as part of a real application in this adhesive Case Study:

Case Study - IRS2125 Carrie Reichardt Flexible epoxy adhesive gives strength and durability to mosaic art

British artist Carrie Reichardt relies on our structural adhesives to ensure a strong bond in her creative pieces.


Our Technical Bulletins & Articles page has links to:

  1. Technical Bulletin: Instructions: 50ml Side-by-Side Double Syringe Cartridges

All Downloads

Filename Size Download
Double Syringe Cartridge Instructions 0.21MB
Twinpack Mixing Instructions 0.28MB
How Much Adhesive Will I need? 0.15MB

Ordering Information

IRS 2126 is available in a convenient side-by-side double syringe cartridge, or in small twinpacks.

The IRS 2126-50KIT contains a 50 gram cartridge of epoxy, a dispensing gun and three static mixing nozzles. It is ideal for product evaluations or small quantity users.

Ordering information
Part number Description
IRS2126-50G Fast Cure Flexible Epoxy Adhesive, Double Syringe Cartridge, 50 gram
IDM805001 Dispensing Gun
IDM2N10 Static Mixing Nozzle (pkg 10)
IRS2126-50KIT Fast Cure Flexible Epoxy Adhesive Kit – Contains 50 gram cartridge of epoxy, a dispensing gun and three static mixing nozzles
IRS2126-10G Fast Cure Flexible Epoxy Adhesive, Twinpack, 10 gram

For optimal results, store away from strong alkalis, oxidising materials, strong acids and amines. The conditions must prevent the formation of sparks and static electricity and the product must avoid excessive heat for prolonged periods of time while in storage. Keep only in the original container. Keep container upright and tightly closed, in a cool, well-ventilated place. Protect containers from damage. Bund storage facilities to prevent soil and water pollution in the event of spillage. The storage area floor should be leak-tight, jointless and not absorbent.


Next Steps

Our technical team are on hand to discuss your application requirements. Click here to get in touch.

Find out more information on how to purchase.

  • Last updated: April 2020
  • Version: 3.0

Statements, technical information and recommendations contained herein are based on tests we believe to be reliable but they are not to be construed in any manner as warrantees expressed or implied. The user shall determine the suitability of the product for his intended use and the user assumes all risk and liability whatsoever in connection therewith.