SINOMER ® UVU6229 PCD-UA is a difunctional PUA resin synthesized from premium polycarbonate diol, featuring 100% reactive content and high 粘度. It demonstrates excellent weatherability and 柔韧性. When used in UV plastic spray coatings, it effectively adjusts the hardness and 柔韧性 of the formulation, balancing properties such as resistance to boiling water, salt spray, high and low temperatures, and thermal cycling. In UV printing varnishes and inks, it serves as the main PUA component, providing comprehensive 溶剂 resistance, 柔韧性, non-yellowing properties, and fast UV curing activity.