PLEXUS MA205HV IT025X - 490ml 10:1 Ratio Cartridge, Non-conductive Two-part Methacrylate Adhesive

Product Name

- PLEXUS MA205HV IT025X - 490ml 10:1 Ratio Cartridge, Non-conductive Two-part Methacrylate Adhesive

Brief Description

- Plexus MA205HV is an advanced non-conductive, two-part methacrylate adhesive engineered for structural bonding applications. It is particularly suited for electronic assemblies, metals, engineered thermoplastics, and composite materials. This adhesive delivers a powerful combination of high strength, exceptional fatigue endurance, outstanding impact resistance, and superior toughness.

Popular Applications & Uses

- Structural bonding of various electronic assemblies.- Bonding metals without the need for primers.- Adhering engineered thermoplastics and composite assemblies with minimal surface preparation.- HVAC applications, including sheet-to-post and bracket bonding, serving as a weld replacement.- General assembly in automotive and transportation sectors.- Signage and display assembly, bonding acrylic panels, frames, and metal supports.- Marine applications, such as bonding fiberglass and composite materials.- Metal and plastic fabrication for joining various parts.

Industries that Commonly Use It

- Aerospace/Defense- Automotive Service/Repair- Electrical Services or Products- Fabrication- General Manufacturing- LED/Electronics- Marine- Metal Fabrication- Plastic Fabrication- Sign & Display- Transportation/ Specialty Vehicle (including bus, train, truck industries)

Special and Unique Features

- Non-conductive formulation, ideal for electronic applications.- Two-part methacrylate adhesive with a precise 10:1 mix ratio by volume.- Achieves primerless adhesion to a wide range of metals, most thermoplastics, and composites.- Offers a fast working time of 3-5 minutes and a rapid fixture time of 7-9 minutes.- Provides high strength, excellent fatigue endurance, outstanding impact resistance, and superior toughness.- Demonstrates excellent environmental resistance, including to salt spray.- Features color change technology during cure, transitioning from blue to green to indicate readiness for unclamping or sanding.- Capable of gap filling from 0.03 inches to 0.25 inches (0.75 mm – 6.4 mm).

Key Properties

- Mix Ratio: 10:1 by volume- Working Time: 3-5 minutes- Fixture Time: 7-9 minutes (achieves 50 psi in approximately 8 minutes on polycarbonate)- Tensile Strength: 2,000 – 2,500 psi (13.8 – 17.2 MPa)- Lap Shear Strength: 1,800 – 2,500 psi (12.4 – 17.2 MPa)- Operating Temperature: -40°F – 180°F (-40°C – 82°C)- Viscosity (Adhesive Part A): 100,000 – 130,000 cP- Viscosity (Activator Part B): 15,000 – 50,000 cP- Color (Uncured): Off-White (Part A), Blue (Part B)- Mixed Density: 8.1 lbs/gal (0.97 g/cc)- Chemical Resistance: Excellent to hydrocarbons, acids and bases (pH 3-10), salt solutions. Susceptible to polar solvents, strong acids and bases.- Low shrinkage- High resistance to fatigue and abrasion

Surface Compatibility

- Metals (including aluminum, steel, without primers)- Engineered Thermoplastics (e.g., ABS, PVC, polycarbonate)- Composite Assemblies (e.g., fiberglass)- Glass- Wood- Ceramics

Known backups / known substitutes

- Other Plexus MMA adhesives (e.g., MA3940 LH, MA300, MA320, MA330, MA530, MA560-1, MA590)- Devcon epoxy adhesives- Permatex cyanoacrylate adhesives- General methacrylate adhesives from brands like Araldite, Everwide, Partite, Infinity Bond, and 3M

Comparison Note

- Methacrylate adhesives (MMAs) like Plexus MA205HV are distinguished by their ability to form strong, durable bonds rapidly, even between dissimilar materials, with minimal surface preparation. They often provide a faster and more robust alternative to traditional methods such as welding or mechanical fasteners. This product's non-conductive nature makes it particularly suitable for electronic applications where electrical insulation is critical. MMAs generally offer superior toughness, impact resistance, and fatigue endurance compared to many epoxies and cyanoacrylates.