marinemend repair kit procedure for marineline coated tanks
TRANSCRIPT
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MarineMend Repair Kit Procedure
For MarineLine Coated Tanks
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Purpose
The purpose of this procedure is to clearly explain what must be done in order to repair a tank for service. The repair procedure should be used when the coating has been misapplied, damaged, or contains holidays (pinholes).
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Safety
Observe ALL safety requirements during this procedure, including wearing all safety equipment
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Steel Plate coated with MarineLine
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Steel plate pending mechanical damage with a hammer.
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Damaged Plate
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Pre-Surface Preparation
Pre-Surface Preparation includes a detergent wash and chemical cleaning of all surfaces to be repaired.All surfaces must then be dried
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Surface Preparation
If the damaged areas are small and independent (separate) from each other, the small damaged areas may be hand sanded with a medium grit aluminum oxide sandpaper. Sand the topcoat (grey) of the MarineLine coating, and any rust spots must be removed.
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Close-up damaged MarineLine
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Surface Preparation
For areas that are larger, a disk sander with a medium grit aluminum oxide disk should be used. Remove topcoat (grey) of the MarineLine coating, and any rust spots down to a near white metal.Note: All areas sanded down to a near white metal, must have an area of 25 mm around it’s periphery. MarineLine coating topcoat (grey) removed to a feathered edge.
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Masked area – 25mm periphery
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Orbital Sander
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Sand masked area
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Surface Preparation
Feather edge the sanded area so that no loose or sharp edges of existing coating are observable
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Surface Preparation
The area should be vacuumed thoroughly to remove all dust particles and washed with solvent (MEK or Acetone) to remove all contaminants.
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Acetone
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Repair Area Cleaned With Acetone
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Coating The Repair Spots
When all preparation work is completed mix thoroughly the MarineMend Repair Kit. Part A (Resin) with Part B (Catalyst).
Note: The pot life of the MarineMend Repair Kit is 15 minutes maximum @ 20C
Make sure all surface preparation is completely finished before mixing the kit.
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Finished Surface Prep
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MarineMend Repair Kit
Part A
Part B
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Mixing Part A and Part B
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Mixing Part A and Part B
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Coating The Repair Spots
Use a small brush or roller to apply the mixed MarineMend Repair Kit.
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MarineMend Applied With Brush
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Coating The Repair Spots
Apply one coat of the MarineMend Repair Kit to the prepared surface area. The final average dry film thickness (DFT) should measure 300 microns. At NO TIME should the average DFT exceed 350 microns.
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MarineMend Applied With Brush
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Coating The Repair Spots
The coating should cover all areas which have been prepared (sanded) including the feathered edge of the original MarineLine coating.
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Finished MarineMend Patch
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Coating The Repair Spots
Allow to dry for 6 – 8 hours with good ventilation
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No Heat Curing Required
No heat curing is required when using the MarineMend Repair Kit
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No Heat Curing Required
Chemical resistance for carrying clean products will develop in 7 days at 24 C.
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No Heat Curing Required
Full chemical resistance per the chemical resistance guide will develop as follows:
30 days at 24 C40 days at 20 C60 days at 15 C90 days at 10 C
Do not allow temperature to drop below 10 C
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Safety
Observe ALL safety requirements during this procedure, including wearing all safety equipment