慢回彈開孔劑1121產(chǎn)品介紹適用于慢回彈的開孔，它是反應(yīng)型的，羥值為40，對發(fā)泡不影響,海棉皮會(huì)比較薄,手感滑爽,泡孔細(xì),無味道,海棉不存在有油狀滲出之毛病。 ?參考配方型??號比??例比??例比??例比??例比??例比??例10304040404040405613606060606060水22.5321.61.3800211.31.810.80.6A330.30.30.30.30.30.3T90.030.030.030.030.030.0311212.721.42.72.73.4521硅