非火焰 meaning in English

nonflame

Conduits and fittings for electrical installation ; rigid nonflame propagating insulating conduits and fittings ; plain conduits with coupler and bends with coupler for light pressure strength
电气设备用导管和管接头.刚性非火焰扩散绝缘导管和管
Flexible insulating sleeving - part 3 : specification for individual types of sleeving - sheet 213 : heat - shrinkable polyolefin sleeving , not flame retarded , shrink ratio 2 : 1
绝缘软套管.第3部分:各种型号套管的规范.第213活页:热缩聚烯烃套管.非火焰回缩,热缩比率2 : 1