The article says that building materials having noncombustibility
shall be those that are certified by the Minister of Land, Infrastructure, and Transport as having the properties mentioned in each of the following items (excluding number 3 in the case of those used for external finish of buildings) during the testing time of 20 minutes.
Asbestos has valuable properties such as noncombustibility
and resistance to moisture, microorganisms, chemical attack, and decay.
Advantex EB8 yarn reportedly offers enhanced weaving processability and productivity levels, improved aesthetics, high dimensional stability, noncombustibility
and fire resistance, as well as stronger reinforcement.
Use of the older standard is now discouraged because it has been agreed that noncombustibility
means one thing: very low heat release.