NFPA 253 使用辐射源测试地板覆盖材料的临界辐射通量的方法
日期:2012-02-10 14:36
y on top of important changes including
Added tolerances to dimensions to create harmonization between NFPA 253, ASTM E 648, and ISO 9239-1
New provisions on laminate specimens
Revised criteria for specimen size and mounting as well as test reporting requirements
Valuable Annexes discuss how to calibrate an apparatus, mounting methods, sample data logs, proper application and interpretation of results, specific safety precautions, and more. (Softbound, 18 pp., 2011)
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