科思创Desmodur N3300固化剂 脂肪族HDI三聚体固化剂 耐黄变耐候适配汽车漆塑料漆工业漆 双组份PU涂料原装现货可分装
科思创 Desmodur N3300 为无溶剂脂肪族 HDI 三聚体固化剂，NCO 含量 21.8%，低游离 HDI 单体，搭配丙烯酸、聚酯多元醇制备双组份 PU 涂料。具备长效耐 UV 抗黄变、高保光、耐化学品、耐磨柔韧优势，适配汽车原厂漆、修补漆、塑胶面漆、户外工业设备涂装，支持自干与烘烤体系，原装现货可分装。
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