Devcon Maintenance and Repair Solutions - Sintemar

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Field Application Reports Products: Application Date: Customer: Industry: Location 127 Concrete Pump Pad Repair Floor Patch 8/4/92 Laurel Maintenance Pulp and Paper Manufacturing Problem: Over several years of service, this pump pad’s concrete would become loose and eroded from a combination of vibration and chemical leakage from the pump. The previous method of repair was to pour new concrete. Newly poured concrete could not achieve good bond strength and also provided poor chemical resistance. Solution: The concrete surface was sandblasted to remove loose concrete and provide a rough profile. Devcon’s Release agent was generously applied to the pump mounting base for easy removal or separation. Release agent must be used for easy part or mold separation. Floor Patch was applied onto the worn concrete. The pump mounting base was set and leveled on top of the uncured Floor Patch. Fasteners were pushed through the the pump mounting base into the uncured Floor Patch. Following a full cure of Floor Patch (24 hours), the pump mounting fasteners were tightened.
Field Application Reports Products: Application Date: Customer: Industry: Location 128 Expansion Joint Repair Fast Cure Rubber Repair Liquid 8/4/97 Laurel Maintenance Building Maintenance Problem: The current expansion joints within this floor system received corrosive wear from chemical attack. Previous repair method was to fill worn areas with a caulking material. Caulking material offered poor chemical resistance to H2S04 and was prone to cracking, ultimately compromising the seal. Solution: Complete repair area was sandblasted to remove loose concrete and provide a roughened surface. A polypropylene backer was stuffed into the expansion joints. The polypropylene backer prevented deep migration of Flexane 80 Liquid, reducing the amount required. FL20 Primer was applied to the interior of the expansion joint and allowed to cure or dry for 15 minutes. Flexane 80 Liquid fast Cure, (90 minute functional cure), was injected using Devcon’s Automatic Mixing Application System. Flexane 80 Liquid’s viscosity allowed the urethane material to self level forming a smooth even flexible, (350% elongation), seal.
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Devcon Maintenance and Repair Solutions - Sintemar

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