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ITW PLEXUS: Long Open-Time Adhesive

January 27, 2005
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With a working time of approximately 90 minutes at room temperature, Plexus MA557 two-part methacrylate adhesive is designed for the structural bonding of large assemblies, including those in boats, trucks, buses, architectural elements, signs and bridge decking/railings. MA557 is ideal for bonding composites, thermoplastics and thermosets, including ABS, acrylics, FRP, polyesters (including DCPD 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 long open-time 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).

For more information, visit http://www.itwplexus.com.

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