BS 5438: Methods of test for flammability of textile fabrics when subjected to a small igniting flame applied to the face or bottom edge of vertically oriented specimens. BS 5438: 樣品垂直放置時,表面或底部邊沿以小火焰燃燒,紡織品可燃性測試。
BS 5438:1989 Test 2A: face ignition (表面燃燒) BS 5438:1989 Test 2B: Bottom edge ignition (底部邊沿燃燒)
BS 5438:1989 apply the igniting flame for 10s or the flame application time given in the performance specification. Note: BS 6853:1999 flame time application is 15s. BS 6853:1999 申請火焰燃燒時間為15s
紡織品的可燃性測試通過如下方面來評估:
1. 火焰持續時間 2. 後燃燒持續時間 3. 樣品最大破壞範圍 、、、、、、
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