Tianhe Dian Shi brand DS-609PN is a pre-promoted (609N does not contain a promoter) Iso-Phthalic winding/pultruded unsaturated polyester resin, featuring high reactivity, moderate viscosity, good wetting properties, excellent moisture and heat resistance, strong adaptability to downstream processes, good fatigue resistance, high circumferential load capacity, high mechanical strength, and high toughness. It is suitable for high-performance products in fields such as building materials, electrical applications, and civil use.

Tianhe Dian Shi brand DS-638N-1 is a purified Terephthalic -type unsaturated polyester resin with medium viscosity and high reactivity. It features high mechanical strength, high toughness, high heat distortion temperature, excellent hot water resistance, and outstanding corrosion resistance, with good wetting properties for fiberglass. It is particularly suitable for the production of various specifications of fiberglass winding pipes, storage tanks, and fiberglass products with high performance requirements.

Tianhe Dian Shi brand DS-659 is an orthophthalic -type unsaturated polyester resin with food-grade certification, medium viscosity, and high reactivity. It features high mechanical strength, good toughness, high heat distortion temperature, and good wetting properties with fiberglass. It is particularly suitable for the production of various specifications of fiberglass winding pipes, storage tanks, and fiberglass products.

Tianhe Dian Shi brand DS-663 is a dicyclopentadiene-modified unsaturated polyester resin based on dicyclopentadiene, featuring medium viscosity and medium reactivity, free of wax, and good air-drying properties. It has high mechanical strength and good wetting properties with fillers and fiberglass. It is particularly suitable for manufacturing wound fiberglass reinforced sand pipes, storage tanks, and general hand-layup fiberglass products.

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