ADEKA 低氯环氧树脂EP-4100HF,EP-4901HF,EP-4000S,EP-4000L,EP-4088S,EP-4088L,EP-3950S,EP-3950L,EP-3980S ADEKA 嵌段聚氨酯树脂QR-1636-2I,QR-9401-1,QR-9466 长春基础环氧树脂BE186,BE186EL,BE188,BE188EL,BFE170,PNE177, CNE202,CNE220