Orthophthalic unsaturated polyester resin features good toughness, high hardness, and excellent grindability. Products made with it have a smooth surface without pinholes, making it suitable for high-end wood coatings such as those used on pianos.

Tianhe Dian Shi brand DS-227 is a phthalate-type unsaturated polyester resin, featuring good toughness, high hardness, and excellent sanding properties. The product surface is smooth and free of pinholes, making it suitable for high-end wood finishes such as pianos.

DS-790-2: Unsaturated Polyester Resin Has a high viscosity, high reactivity and high hardness, the main application areas for the surface coating, with good leveling, good adhesion, surface drying better characteristics, the actual application is good surface flatness.

DS-790: Unsaturated Polyester Resin Has a low viscosity, high reactivity and high hardness, the main application areas for the surface coating, with good leveling, good adhesion, surface drying better characteristics, the actual application is good surface flatness.

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