略語大辞典 [Chem] 24 HDI hexamethylene-diisocyanate ヘキサメチレン ジイソシアネート. ポリウレタンの原料. 喘息を起こす化学物質.hexamethylene-diisocyanate; (CH2)6(NCO)2; a raw material of a resin; a toxic chemical; a diisocyanate chemical that has a potential to cause occupational asthma; ref. TDI(toluene diisocyanate), MDI(methylene dip 丸善「略語大辞典」JLogosID : 11876707