Product Name
PLEXUS MA2245 - 50 Gallon Drum Adhesive
Brief Description
Plexus® MA2245 is a two-part methacrylate adhesive engineered for the structural bonding of thermoplastic, metal, and composite assemblies. This adhesive is recognized for its exceptional fatigue endurance, superior impact resistance, and outstanding toughness. It is supplied as a non-sagging gel, suitable for various industrial applications.
Popular Applications & Uses
- Structural bonding in the marine industry, including deck-to-hull, liners, and composite stringers.- Structural bonding in the transportation industry for composite assemblies and specialty vehicles.- Bonding of various plastics, including ABS/ABS Blends, Acrylics, PBT, Polycarbonate, Rigid PVC, and TPUs.- Bonding of metals such as Aluminum, Stainless Steel, Raw Steel, and coated metals.- Bonding of composites like DCPD, FRP, Gelcoat, Phenolics, Epoxy Based Composites, RIM, and SMC.- Manufacturing of wind turbine components, including wind-blades and nacelle housings.- Applications in sporting goods, spas, and bath fixtures.- Assembly of commercial signs.- Bonding for underground pipes.
Industries that Commonly Use It
- Aerospace/Defense- Automotive Service/Repair- Construction/ Building Services- Energy (specifically wind turbine manufacturing)- Fabrication (for plastic, metal, and composite materials)- General Manufacturing- Marine- Metal Fabrication- Plastic Fabrication- Pool/Spa/Plumbing (for spas and bath fixtures)- Sign & Display (for commercial signs)- Transportation/ Specialty Vehicle
Special and Unique Features
- Requires virtually no surface preparation for many substrates, reducing processing time.- Capable of filling gaps from 0.03 inches to 1.5 inches (0.75 mm to 38 mm).- Offers excellent fatigue endurance, outstanding impact resistance, and superior toughness.- Features low shrink technology, minimizing distortion during cure.- Highly thixotropic, allowing for the dispensing of large, non-sag beads.- Exhibits an extremely low exotherm during the curing process.
Key Properties
- Adhesive Type: Two-part methacrylate adhesive- Mix Ratio (Volume): 10:1- Available Colors: Blue or Black- Working Time: 40-50 minutes- Fixture Time: 100-130 minutes (to reach approximately 500-1000 psi)- Tensile Strength: 2,000 – 2,800 psi (13.4 – 19.3 MPa)- Tensile Elongation: > 60%- Shear Strength: 1,700 – 2,300 psi (11.7 – 15.8 MPa) (on Grit Blasted Aluminum with 0.030 in gap)- Operating Temperature: -40°F to 180°F (-40°C to 82°C)- Gap Tolerance: 0.03 - 1.5 inches (0.75 - 38 mm)- Viscosity (Component A): 190,000 - 250,000 cP- Viscosity (Component B): 35,000 - 70,000 cP- Chemical Resistance: Excellent resistance to hydrocarbons, acids and bases (pH 3-10), and salt solutions.- Susceptibility: Polar solvents, strong acids, and strong bases.
Surface Compatibility
- Thermoplastics: ABS/ABS Blends, Acrylics, PBT, Polycarbonate, Rigid PVC, TPUs.- Metals: Aluminum, Stainless Steel, Raw Steel, Coated Metals, Galvanized/Zinc Coated Galvaneal.- Composites: DCPD, FRP, Gelcoat, Phenolics, Epoxy Based Composites, RIM, SMC.
Known backups / known substitutes
- Other Plexus methacrylate adhesives with varying work/fixture times and properties, such as MA2230, MA2045, MA330, MA420, MA3940, MA832, MA920, MA550, MA590, MA2030, MA425, MA530, and MA560-1.- General structural adhesives from other manufacturers like 3M, Araldite, ASI, LOCTITE, LORD, SCIGRIP, and Sika.
Comparison Note
Plexus MA2245 stands out for its unique blend of excellent fatigue endurance, outstanding impact resistance, and superior toughness, making it a robust choice for demanding structural bonding applications. Its ability to bond a wide range of dissimilar substrates with minimal to no surface preparation offers significant advantages in production efficiency compared to many traditional bonding methods. This powerful methacrylate adhesive is particularly well-suited for the marine and transportation sectors, where it excels in creating strong, durable bonds and effectively filling gaps.
