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PLEXUS: Two-Part Methacrylate Adhesive

January 6, 2005
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With a working time of approximately 90 minutes at room temperature, Plexus MA557 two-part methacrylate adhesive was designed for the structural bonding of large assemblies, including those in boats, trucks, buses, architectural elements, signs and bridge decking/railing. MA557 is ideal for bonding composites, thermoplastics and thermosets, including ABS, acrylics, FRP, polyesters (including CDPD modified), PVC, urethanes, styrenics, and vinyl esters. It requires virtually no surface preparation, bonds to gel coats, and eliminates time-consuming and costly grinding. Mixed as dispensed at a 10:1 ratio, this adhesive cures to a tensile strength of 2200-2500 psi, providing excellent fatigue endurance, outstanding impact resistance, and superior toughness. It also resists hydrocarbons, salt solutions, and acids and bases in solution (from 3 to 10 pH).

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