ICYNENE｜アイシネン発泡ウレタン断熱材ASTM C423 LD7*— (STO JIS A9526 D5Y7*— 4.6 4.0 2.2 5.2 3.3 3.5 1.2 4.6 4.0 2.3 4.2 3.1 3.5 1.2 4.6 4.0 2.2 4.6 4.0 2.3 175 152