Devcon Maintenance and Repair Solutions - Sintemar

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Field Application Reports Products: Application Date: Customer: Industry: Location 43 Cement Agitator Repair Wear Guard Fine Load 9/21/92 Chicago Road Service Cement Manufacturing Problem: The fins or paddles within this portable cement mixer would receive extreme abrasive wear from continually agitating cement. Previous method of repair was to protect fins or paddles by covering with U.H.M.W. This repair procedure was expensive and time consuming. Solution: Repair surfaces were sandblasted to a SSPC-SP5 white metal finish. Expandable metal was tack welded in a raised position 25 mils above the substrate. Tack welding expandable metal above the substrate improved the mechanical bonding properties of Wear Guard Fine Load. Weld slag was removed using a grinder and wire wheel attachment. All surfaces were then chemically cleaned using Cleaner Blend 300. Wear Guard Fine Load was applied using a trowel to a thickness of 1/2”. Wear Guard Fine Load was pressed through the expandable metal forcing complete contact onto the substrate surface. Wear Guard Fine Load was smoothed, contoured and feathered using acetone as a thinning agent following gel point.
Field Application Reports Products: Application Date: Customer: Industry: Location 44 Expansion Joint Repair Fast Cure Rubber Repair Liquid 5/21/96 Wisconsin Tissue Pulp and Paper Manufacturing Problem: Over several years of continual traffic, these expansion joints became deteriorated. As a result of failed expansion joints, spider cracking began. The uneven floor surface caused problems such as difficulty moving wheeled equipment, and forklift load shifting. Solution: Loose, deteriorated concrete was mechanically removed. Remaining concrete was roughened to provide a profile. All surface areas were then chemically cleaned using Cleaner Blend 300. FL20 Primer was applied into the expansion joints and cracks and allowed to cure or dry for 15 minutes. A polypropylene backer was stuffed 3/4” into the expansion joints and cracks. The polypropylene backer will prevent deep migration of Fast Cure Liquid, and reduce the volume required. Fast Cure Rubber Repair Liquid was injected into the damaged or repair areas using Devcon’s Auto Mix Application System. This product is self- leveling and provided a smooth, flexible, (450% elongation), expansion joint seal. Fast Cure Rubber Repair Liquid also provided a functional cure in only 90 minutes, reducing repair downtime.
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Devcon Maintenance and Repair Solutions - Sintemar

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