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美標NFPA270使用錐型輻射源測量燃燒后的煙密度，NFPA270通過收集燃燒后各種氣體來進行煙密度測試，南京睿督公司專業提供NFPA270,ASTM E1995，ASTM E662,ISO5659-2等標準煙密度及毒性測試，咨詢電話：025-8658 3475。 

NFPA270煙密度測試標準－標準名稱
NFPA 270 在單一密閉房間使用圓錐型輻射熱度量煙模糊度標準試驗方法
NFPA 270 Standard test method for measurement of smoke obscuration using a conical radiant source in a single closed chamber

NFPA270煙密度測試標準-適用范圍
This test method shall provide a means of measuring smoke obscuration resulting from subjecting essentially flat materials, products, or assemblies (including surface finishes) not exceeding 25 mm in thickness, to specified levels of thermal irradiance from a conical heater, in a single closed chamber, in the absence or presence of a pilot flame, and when placed in a horizontal orientation.

NFPA270煙密度測試方法-參考標準
ASTM E662 Standard test method for specific optical density of smoke generated by solid materials
NFPA 270 Standard Method of Test for Measurement of Smoke Obscuration Using a Conical Radiant Source in a Single Closed Chamber
ISO 5659-2 Plastics-Smoke generation-Part 2: Determination of optical density by a single chamber test
ASTM E1995 Standard Test Method for Measurement of Smoke Obscuration Using a Conical Radiant Source in a Single Closed Chamber, With the Test Specimen Oriented Horizontally

ASTM E162表面燃燒性能測試 http://www.fire-test.com/teststandard/usa/3346.html
ASTM E662煙密度測試         http://www.fire-test.com/teststandard/usa/3347.html
BSS 7239毒性測試    http://www.fire-test.com/teststandard/usa/3351.html

更多關于ASTM E1317材料表面火焰蔓延測試，請咨詢南京睿督公司
南京睿督公司咨詢電話：025-8658 3475   400-603-6575
網址：www.fire-test.com  
郵箱：info@fire-test.com
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