ARALDITE® AV 138 M-2 delivers exceptional bond strength, durability, and chemical resistance for demanding industrial applications. Its 75-minute working time and thixotropic, gap-filling formulation support precise assembly, while providing reliable performance at temperatures up to 140°C. Ideal for bonding metals, ceramics, glass, rubber, and rigid plastics, it is well suited for multi-material assemblies, including electrical motors and transformers. Featuring an updated formulation with no intentionally added BPA and not subject to CMR labeling, it supports evolving regulatory requirements and worker safety while maintaining the reliable performance users expect.
Key Facts
• Technology: 2-component epoxy • Working time (RT): 75 minutes • Fixture time (RT): 5 hours • Tensile strength: 40 MPa • Tensile modulus: 4,600 MPa • Gap-filling: up to 5 mm • Temperature resistance: up to 140°C • Outstanding chemical resistance • Room-temperature cure • No intentionally added BPA • Not subject to CMR labeling • Recycled plastic cartridges: reduce CO2 emissions by up to 36%
• Bonding electrical motors and transformers • Multi-material bonding: metals, ceramics, glass, rubber, and rigid plastics • Multi-material assemblies and industrial equipment operating in aggressive operating conditions
Pretreatment
Proper surface preparation is crucial for the strength and long-term durability of an adhesive bond.
Therefore, before bonding, all surfaces should be thoroughly cleaned using a suitable degreasing agent, such as methoxy propanol or acetone. Ensure that all traces of oil, grease, dust, and other contaminants are completely removed.
Do not use low-grade alcohol, gasoline (petrol), paint thinner, as these may leave residues that can reduce bond performance.
For maximum bond strength and durability, degreased surfaces should be mechanically abraded or chemically etched prior to bonding. After abrasion, it is recommended to degrease the surfaces a second time to remove any dust or debris before applying the adhesive.
Application
For optimum bond performance, a bond line thickness of 0.1–0.30 mm is generally recommended, as this typically provides the highest lap shear strength.
The adhesive can be applied manually or robotically, depending on the application requirements.
After the adhesive has been applied, assemble the components immediately and hold them in a fixed position.
You have questions about ARALDITE® AV 138 M-2?
Contact our experts for advice and support tailored to your application.
ARALDITE® 2012-1 – Fast curing, general-purpose solution for reliable bonding applications. ARALDITE® 2013-2 – Designed for bonding metals and rigid materials in demanding environments. ARALDITE® 2014-3 – High-performance solution with temperature resistance up to 140°C and excellent chemical resistance. ARALDITE® 2015-2 – Durable solution for dynamic loading applications with gap-filling capability up to 10 mm. ARALDITE® 2020-1 – Transparent solution for glass, ceramics, electronics, and clear laminates. ARALDITE® AV 138 M-2 – High-strength solution for heavy-duty industrial bonding with excellent chemical and temperature resistance.
For more information about individual products, click on the product names above or contact our Bodo Möller Chemie experts for support in selecting the right adhesive solution for your application.
