Devcon Maintenance and Repair Solutions - Sintemar

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Field Application Reports Products: Application Date: Customer: Industry: Location 114 Coal Pulverizer Repair Wear Guard High Temp 8/12/97 Pennsylvania Power and Light Utility Power Generation Problem: This pulverizer would receive extreme wear from the abrasion of pulverizing or crushing coal prior to being fed to the boilers. The wear was so severe that the metal was completely worn through. Previous method of repair was to weld or replace missing metal with AR plates. Solution: Repair area was roughened to a SSPC-SP5 white metal finish using a grinding machine. Gouges were ground into the metal to improve mechanical bonding properties of Wearguard High Temp.. All surface areas were chemically cleaned using Cleaner Blend 300. Wear Guard High Temp was applied to rebuild or replace missing metal. Wear Guard was smoothed, contoured and feathered using acetone as a thinning agent. Acetone should be used only after gel point or stiffening of Wear Guard High Temp.
Field Application Reports Products: Application Date: Customer: Industry: Location 115 Water Box Cover Repair Ceramic Repair Putty / Brushable Ceramic 6/1/90 Sun Oil Company Petrochemical Gasoline Manufacturing Problem: These heat exchanger water box covers would receive extreme corrosion, cavitation and erosion after only a short service life. The previous method of repair was to simply replace when required. Replacement cost was estimated to be several thousand dollars. Solution: Complete surface area was sandblasted to a SSPC-SP5 white metal finish. All surfaces were then chemically cleaned using Cleaner Blend 300. Ceramic Repair Putty was applied to all cavitated or eroded areas deeper than 1/8”. Following a partial cure of Ceramic Repair Putty, (4 hours), Brushable Ceramic Red was applied to a thickness of .025”. Following a partial cure of Brushable Ceramic Red, (4 hours), a second coat of Brushable Ceramic Blue was applied, again to a thickness of 25 mils. Brushable Ceramic encapsulated the repair areas and provided a long lasting, abrasion and corrosion resistant, low co-efficient to friction protective surface coating. Devcon’s repair cost was$ 200 each cover.
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Devcon Maintenance and Repair Solutions - Sintemar

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