保ほ温おん材ざい

noun

heat insulating material; lagging material

Technical term for material used to prevent heat loss or gain, such as in construction or industrial applications.

• パイプに保ほ温おん材ざいを巻まいて凍とう結けつを防ふせぐ。

  Wrap heat insulating material around the pipe to prevent freezing.

• この建たて物ものの壁かべには高こう性せい能のうの保ほ温おん材ざいが使つかわれている。

  High-performance heat insulating material is used in the walls of this building.