Tianhe Dian Shi brand DS-666 is a DCPD/Orthophthalic type unsaturated polyester resin, characterized by low viscosity, low styrene content, low volatility, good air-drying properties, high toughness, good corrosion resistance, high strength, and good wettability with fillers and fiberglass. It is particularly suitable for manufacturing wound fiberglass reinforced sand pipes, storage tanks, and general hand-layup fiberglass products.

Tianhe Dianshi brand DS-686-5T is an Orthophthalic -type unsaturated polyester resin, characterized by low viscosity, moderate reactivity, excellent circumferential bending elastic modulus and circumferential bending fracture elongation rate, as well as good wettability with fillers and fiberglass. It is particularly suitable for the HOBAS centrifugal casting process for making pipeline structural layers.

Tianhe Dian Shi brand DS-689-1 is an orthophthalate-type unsaturated polyester resin, characterized by low viscosity, good gloss, excellent post-curing, good air-drying properties, good flexibility, high elongation at break, and good chemical resistance. It is particularly suitable for the HOBAS centrifugal casting process for making pipe liners.

Tianhe Dian Shi brand DS-696N is an Orthophthalic -type unsaturated polyester resin with high reactivity, moderate viscosity, and fast curing. It has good wetting properties for fillers and fiberglass, and offers high load-bearing strength, making it particularly suitable for continuous winding processes to manufacture various specifications of fiberglass pipe products.

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