- 1). Clean and dry the sink. Oily food residues and other contaminants will greatly affect the adhesion of the epoxy mix. If excellent adhesion is attained, the repair should last as long as the sink itself.
- 2). Sand the chipped area of the enamel with a small piece of the wet/dry sandpaper. The goal is to remove all the rust and dirt that may be trapped in the chip. Don't stray too far from the chipped area. A good rule of thumb is to just sand the chip itself plus about 1/4 inch around the chip. The smaller the sanded area is, the smaller and less noticeable the repair will be.
- 3). Wipe the sanded chip area again, removing all remaining moisture and dust from the area.
- 4). Mix the epoxy according to the manufacturer's instructions.Time is limited once the epoxy is mixed, so be prepared to finish the job without any interruptions. If you purchased a colored epoxy that matches your color requirements, no color additive is necessary. If you need a custom color, add just enough additive to attain the desired color. Too much color additive will weaken the epoxy blend, so use additive sparingly while trying to get a close match.
- 5). Apply the epoxy sparingly to the chip with a wooden match. Cover the chip fully without leaving any tiny air bubbles beneath the repair. Feather the epoxy so that it blends in with the surrounding area. Do not apply too much epoxy, or the repair will look elevated. Do not get any epoxy on the unsanded areas of the enamel, because it will not stick and will crack or chip after a short period of time. If working with a large area, you can use a foam brush to spread and smooth the epoxy.
- 6). Allow 24 hours before introducing any water to the repair. Wait at least week before applying any pressure to the repair, such as scrubbing with a sponge or wiping dry with a rough towel.
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