偷窥国产综合_天天干天天色综合_蜜桃视频成人A片免费观看少妃_16p亚洲 - 亚洲国产综合在线观看不卡

美國消防協會公布的NFPA 701防火標準，適用于公共場所的窗簾等不要求耐水的懸掛織物。NFPA 701是對于織物和薄膜的火焰傳播防火測試標準方法。而NFPA 701方法2適用于表面平坦且表面積大于700g/m2的材料。南京睿督接下來為您詳細介紹百葉窗產品NFPA 701測試方法2，如有對測試周期與費用方面的問題，請咨詢：025-86583475。

NFPA 701測試標準名稱：
NFPA 701:2015 Standard methods of fire Tests for flame propagation of textiles and films.
NFPA 701:2015 織物和薄膜的火焰傳播防火測試標準方法。

NFPA 701測試方法2測試適用范圍：
適用于表面平坦且表面積大于700g/m2織物、包含多層織物、薄膜、塑料簾、乙烯涂料面料、遮陽棚、帳篷、防火布和類似建筑布料結構和橫幅。

百葉窗產品NFPA 701方法2測試樣品尺寸要求：
1200mm*150mm

百葉窗產品NFPA 701方法2測試要求：
1.When any specimen continues flaming for more than 2 seconds after the test flame is removed from contact with the specimen, the material shall be recorded as having failed the test.
2. When the char length of any single flat specimen exceeds 435 mm, the material shall be recorded as having failed the test.
3. When at any time during or after the application of the test flame any portions of residues of the material being tested break or drip from the specimen and fall to the floor of the test apparatus and continue burning for more than 2 seconds after reaching the floor of the test apparatus, the material shall be recorded as having failed the test.
4. In the event that only one of the 10 flat specimens does not meet the criteria, five new specimens cut in the same direction as the one that failed shall be test.
5. If all five the new specimens meet all of the criteria, the material shall be recorded as having pass the test.

相關閱讀：
NFPA 130測試標準    http://www.fire-test.com/teststandard/usa/3239.html 

更多關于南京睿督公司及百葉窗NFPA 701方法2測試，請咨詢南京睿督公司
南京睿督咨詢電話：025-8658 3475  400-603-6575
網址：www.fire-test.com
郵箱：info@fire-test.com

……