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flame spread index
The numerical designation that indicates the surface flammability of materials as specified by the ASTM E-162 test method "Surface Flammability of Materials Using a Radiant Heat Energy Source." U.S. Federal regulations require a flame spread index of 25 or less for flame-retardant coatings and sealants used in underground mines.
- 词性: noun
- 行业/领域: 采矿
- 类别 一般矿业; Mineral mining
- Government Agency: USBM
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创建者
- ed.young
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(Milwaukee, United States)