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BS 4790：1987小火源對紡織物地板覆蓋物作用效果
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對應法規：BS 4790：1987小火源對紡織物地板覆蓋物作用效果
CNAS認可項目：是 - BS 4790：1987小火源對紡織物地板覆蓋物作用效果（熱金屬核法） Determination of the effects of a small source of ignition on textile floor coverings （hot metal nut method） 小火源對紡織物地板覆蓋物作用效果（熱金屬核法） Scope: It is applicable to all types of textile floor coverings whether loose-laid or fully adhered and used with or without an underlay 適用范圍：適用于所有類型的紡織品地板覆蓋物。 Method of mounting test specimens: loose-laid ,fully adhered, loose-laid with an underlay 樣品安裝方法：松鋪型，完全粘附型，松鋪帶襯墊型 Test specimen: At least 3 test specimens each measuring 300mm*300mm 測試樣品：至少3個試樣300mm*300mm Item Standard Requirement Flame BS5287 ⅰ）If the floor covering has a low radius(up to 35mm) of effects of ignition Pass 如果地板覆蓋物表面燃燒半徑少于35mm 通過 ⅱ）If the floor covering has a medium radius(over 35 up to 75) of effects of ignition Pass 如果地板覆蓋物表面燃燒半徑大于35mm少于75mm 通過 ⅲ）If the floor covering has a high radius(over 75mm)of effects of ignition Failure 如果地板覆蓋物表面燃燒半徑大于75mm 失敗 Conditioning: At least 24Hours in Humidity of 65+-2%and a temperature of 20degree Best Regards leo liu 劉俊健 營業主任（紡織物料部） 電話: +86 769 8111 9888 ext 8733 STC 客服熱線: 400-886-8338 傳真: +86 769 8111 9009 手機: +86 13925730302 電郵:leo_liu@hkstc.com.cn 網址:www.dgstc.org 地址：廣東省東莞市大朗鎮富民南路68號
