The insulating layer, generally of expanded polyurethane, is covered with a second layer which protects the contents from contamination by corrosion of the tank itself, and also acts as the interior mould surface for expanding the polyurethane.
申请公布号
ES2005024(A6)
申请公布日期
1989.02.16
申请号
ES19870002820
申请日期
1987.10.02
申请人
GARCIA MARTINEZ RAFAEL;RODRIGUEZ CERRO JOSE MIGUEL;NAVARRO GAMERO RAFAEL