Description
Araldite 2012 epoxy adhesive, also sold as Araldite 2012 A/B, is a rapid cure, two-component, room temperature curing structural epoxy from Huntsman Advanced Materials. It is used for industrial assembly where parts need to be handled quickly, and it bonds metals, ceramics, glass, composites, wood, and rigid plastics.
You mix resin and hardener 1:1 by weight or volume, apply the mix to clean prepared surfaces, assemble the parts, and let the joint cure. Huntsman positions this grade on fast curing, low shrinkage, and toughness. It comes in 50ml and 200ml cartridges and a 2kg kit. If you need more working time, look at Araldite 2011.
Key Product Details
| Property | Value |
|---|---|
| Chemistry | Two-component epoxy, structural adhesive |
| Mix Ratio | 100:100 by weight (Part A to Part B), 1:1 by volume |
| Appearance | Part A opaque, Part B pale yellow, mixed system pale yellow |
| Cured Color | Yellow to red-orange |
| Specific Gravity | Part A 1.16 to 1.18, Part B 1.15 to 1.18, mixed ~1.18 |
| Viscosity at 77°F (25°C) | Part A 20 to 60 Pa·s, Part B 25 to 65 Pa·s, mixed 25 to 65 Pa·s |
| Pot Life | 5 to 8 minutes at 77°F (25°C), 100 g mass |
| Fixture Time | 20 minutes to reach 145 psi lap shear at 73°F |
| Lap Shear Strength at 77°F | More than 20 MPa (2,900 psi) |
| Processing Temperature | 50 to 104°F |
| Maximum Operating Temperature | 158°F |
| Elongation at Break | ca. 4% |
| Tensile Strength | 6,381 psi |
| Tensile Modulus | 362,595 psi |
| Hardness | 64 Shore D |
| Flexural Strength (ISO 178) | 46 MPa (6,672 psi) |
| Roller Peel (ISO 4578, etched aluminum) | 20 pli (3.5 N/mm) after 48 hours at 68°F, 31 pli (5.5 N/mm) after 16 hours at 104°F or 2 hours at 176°F |
| Dielectric Strength (ASTM D-149) | 425 V/mil |
| Shelf Life | 3 years from date of manufacture |
| Storage | Dry place, original sealed containers, 36 to 104°F (2 to 40°C), out of direct sunlight. If stored below 60°F, condition at 60 to 77°F before use. |
| Available Sizes | 50ml cartridge, 200ml cartridge, 2kg quart kit |
Typical values from the Huntsman technical data sheet (01/2024), not a specification. Processing temperature and maximum operating temperature come from the Huntsman Araldite 2000 Core Range catalog (May 2023). Tensile strength, tensile modulus, and elongation come from Huntsman’s Araldite 2012 flyer and catalog.
Performance in Production
- Fast fixture time means parts can be handled in about 20 minutes at 73°F, and the joint builds to 1,450 psi lap shear in about an hour. Heat shortens both times further.
- Pot life is short at 5 to 8 minutes on a 100 g mass, so mix and apply promptly and assemble the parts right after you dispense.
- Equal parts by weight and by volume means a cartridge and a weigh-and-mix batch give the same mix.
- Low shrinkage supports tight-tolerance bond lines. A glue line of 0.002 to 0.004 in (0.05 to 0.10 mm) normally gives the highest lap shear strength.
- Huntsman lists the cured adhesive as tough and resilient, and the roller peel data supports joints that see peel loads.
- Surface preparation drives results. Degrease with acetone or another proprietary degreaser, abrade or chemically etch, then degrease again. Never use low-grade alcohol, gasoline, or paint thinner.
- Clean tools with hot water and soap before residue cures. Cured residue is difficult and time-consuming to remove.
Cure Time by Temperature
| Cure Temperature | Time to 145 psi (1 MPa) Lap Shear | Time to 1,450 psi (10 MPa) Lap Shear |
|---|---|---|
| 50°F | 35 minutes | 120 minutes |
| 59°F | 20 minutes | 70 minutes |
| 73°F | 20 minutes | 60 minutes |
| 104°F | 5 minutes | 25 minutes |
| 140°F | 2 minutes | 10 minutes |
| 212°F | Under 1 minute | 2 minutes |
Huntsman technical data sheet, typical times on sandblasted aluminum under contact pressure, lap shear strength per ISO 4587.
Common Applications
- Industrial assembly where fast handling speeds production
- Metal-to-metal bonding on aluminum, steel, stainless steel, copper, and brass
- Composite bonding on GRP, CFRP, and SMC parts
- Plastic bonding on ABS, ASA, SAN, polycarbonate, and PVC
- Automotive interior assembly
- Airplane galley assembly
- Wood, ceramic, and glass bonding
Available Sizes
- 50ml Cartridge, SKU HUN4919808
- 200ml Cartridge, SKU HUN1417008
- 2kg Quart Kit, SKU HUN1417408 (Part A and Part B, 2kg total)
Related Products
Other Araldite epoxies
- Araldite 2011, a longer working time epoxy in the same line
Guns and mixers
- 200ml cartridges: DS200 Manual Gun, DS200 Pneumatic Gun, and Araldite 2000+ Mixer, 50 Pack
- 50ml cartridges: Chem-Set PAK-50 Manual Gun, Medmix DMA 51 Manual Gun, and Araldite 2000 Plus Mixer, 50 Pack
How Araldite 2012 Epoxy Bonding Works
Araldite 2012 is a two-part epoxy. Resin and hardener stay separate until mixing, and the reaction between them builds the bond at room temperature. These shop steps follow Huntsman’s data sheet.
- Degrease the joint surfaces with acetone or another proprietary degreaser.
- Abrade or chemically etch for the strongest joints, then degrease a second time.
- Mix Part A and Part B 1:1 by weight or by volume. Cartridges meter the ratio through the static mixer, and the kit is weighed out by hand.
- Apply to the prepared, dry surfaces by hand or robotically, then assemble and secure the parts right away. The 5 to 8 minute pot life leaves little time.
- Let the joint cure using the cure table above. Heat shortens the wait.
- Clean tools with hot water and soap before residue cures.
Araldite 2012 vs Other Araldite Epoxies
Pot life and fixture time are in minutes. Fixture time is the time to reach 145 psi lap shear strength. Figures come from the Huntsman Araldite 2000 core range catalog (May 2023).
| Grade | Pot Life (min) | Fixture Time (min) | Max Operating Temp (°F) | Color |
|---|---|---|---|---|
| Araldite 2012 | 6 | 20 | 158 | Yellow |
| Araldite 2011 | 100 | 420 | 194 | Pale yellow |
| Araldite 2014 | 40 | 180 | 284 | Dark gray |
| Araldite 2015-1 | 45 | 240 | 212 | Beige |
| Araldite 2031-1 | 60 | 180 | 212 | Black |
Frequently Asked Questions
What is Araldite 2012 A/B epoxy adhesive used for?
Araldite 2012 is used for industrial assembly where fast handling matters. Huntsman lists metals, ceramics, glass, composites, wood, and rigid plastics as bondable materials, and lists airplane galley assembly and automotive interior assembly among its end uses. Araldite 2012, 2012 A/B, and 2012 epoxy all describe the same product. Huntsman’s material list does not include galvanized steel or rubber, so call us before bonding those.
What is the difference between Araldite 2012 and Araldite 2011?
Both are two-part epoxies, but Araldite 2012 cures much faster. Araldite 2012 has a pot life of about 6 minutes and a fixture time of 20 minutes, while Araldite 2011 has a 100 minute pot life and a 420 minute fixture time. The trade-off is that 2011 is listed for a higher maximum operating temperature (194°F versus 158°F). Choose 2012 when production speed matters and 2011 when you need time to position parts.
Is there an Araldite epoxy with a longer working time than 2012?
Yes. Araldite 2011 has a 100 minute pot life. Araldite 2014, 2015-1, and 2031-1 sit in between at 40 to 60 minutes and are non-sag. The comparison table above lists pot life and fixture time for each. Call us if you are not sure which grade fits your joint.
Are all Araldite adhesives epoxies?
No. Huntsman’s Araldite 2000 core range includes epoxies, acrylics, and a polyurethane. Araldite 2012 and 2011 are epoxies. Chemistry changes open time, flexibility, and substrate fit, so call us if you are not sure which grade fits your job.
How long is the pot life and cure time of Araldite 2012?
Pot life is 5 to 8 minutes at 77°F on a 100 g mass. At 73°F the joint reaches 145 psi lap shear in about 20 minutes and 1,450 psi in about 60 minutes. Heat speeds that up and cold slows it down, so use the cure table for your shop temperature.
What is the mix ratio for Araldite 2012?
Araldite 2012 mixes 1:1 by volume and 1:1 by weight, which is 100 parts Part A to 100 parts Part B. The 50ml and 200ml cartridges meter the ratio through the static mixer. For the 2kg kit, weigh equal amounts of Part A and Part B.
Does Araldite 2012 hold up in water and heat?
It holds up in cool water and loses strength in hotter water. Huntsman’s data sheet shows lap shear holding in 73°F water and dropping in 140°F and 194°F water over 30 to 90 days. Maximum continuous operating temperature is 158°F. Test your joint first if it lives in hot water or near the temperature limit.
What gun and mixer does Araldite 2012 use?
The 200ml cartridge uses the Huntsman DS200 manual or pneumatic gun and the Araldite 2000+ mixer. The 50ml cartridge uses a 50ml 1:1 gun and the Araldite 2000 Plus mixer. The 2kg kit is hand mixed by weight, so it needs neither a gun nor a mixer. Every gun and mixer is listed under Related Products above, and the individual size pages have the details.
Questions on fit for your bonding application? Call (800) 220-1966 or email [email protected].
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