Can you sand guitar binding?
When the binding is scraped flush to the wood, you can sand it along with the wood itself as if they were one. Use 220-grit or finer sandpaper, working up to final sanding with Fre-Cut Open Coat sandpaper in 320-grit.
What is Purfling on a guitar?
Purfling is a narrow decorative edge inlaid into the top plate and often the back plate of a stringed instrument. Inexpensive instruments may have no purfling and instead simulate the appearance with paint. Purfling was originally made of laminated strips of wood, often contrasting in color as a visual accent.

Can I sand down my acoustic guitar?
Conclusion. Sanding and refinishing an acoustic guitar is possible, but it is not child’s play. They need to be done with meticulous precision, and you need to know what you are doing.
Do you have to sand a guitar before painting it?
You can decide to either sand away the finish completely, or you can rough up the finish that’s already on the guitar to put on a fresh coat of paint that’s going to stick to the instrument. Keep in mind that a lot of guitar builders agree that a thick coat of paint or finish will tonally diminish your instrument.
Can I sand the back of my guitar neck?

To monitor your progress, keep touching the back of the neck as you work, and stop rubbing as soon as the finish feels nice and smooth. Using sandpaper on a glossy finish. You can sand a neck’s hard, high-gloss surface, but before you get too enthusiastic with your sandpaper, be sure to choose the right grit!
What is the difference between binding and purfling?
Binding is also sometimes added to the edges of the fingerboard and headstock. PURFLING – Ornamental inlay strips typically placed inside the binding around the edges of the top of a guitar (and sometimes the back). In common casual usage, people often don’t distinguish purfling from binding.