不ふ燃ねん性せい

noun, noun which may take the genitive case particle 'no'

non-flammability; incombustibility

Technical term used in materials science, building codes, and safety regulations. Often appears in compound nouns like 不燃性材料 (non-combustible material).

• この建けん材ざいは不ふ燃ねん性せいが高たかい。

  This building material has high incombustibility.

• 不ふ燃ねん性せいのゴミは指し定ていの袋ふくろで出だしてください。

  Please put out non-burnable trash in the designated bags.