The polyester coating generally refers to the polyester formed by the polycondensation reaction of polybasic acid and polyol (including partially unsaturated polybasic acid) and then mixed with a comonomer, which is crosslinked and cured under the action of initiator and accelerator to form a coating film. Coatings are customarily called polyester coatings
Polyester paints for pianos are particularly scratch-resistant, making wood surfaces retain their gloss for decades.
The coatings not only protect wood instruments of any style, but can also be used for high-quality interior woodwork designs on artwork or stores.
