Amerhold DR 25
Et actylate /Me ,methactylate /methacrylic acid .acrlic acid copoylmer
丙烯酸酯/甲基丙烯酸甲酯/甲基丙烯酸/丙烯酸共聚物Amerhold DR 25
Et actylate /Me ,methactylate /methacrylic acid .acrlic acid copoylmer
丙烯酸酯/甲基丙烯酸甲酯/甲基丙烯酸/丙烯酸共聚物
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