√ EN45545-2標準對於豁免的條件也做了明確規定 No requirements apply to products with a combustible mass of <10g not in touching contact with another unclassified product. To assess products the following parameters have to be considered products shall be considered as grouped if: The exposed area of each product is <0.2m2;and the horizontal distance to a product non compliant to Table 2 is <20mm or the vertical distance to a product non compliant to Table 2 is <20mm;
EN45545-2:2020 Railway applications - Fire protection of railway vehicles-Part 2: Requirement for fire behavior of materials and components EN45545-2:2020 鐵路應用—鐵路車輛的防火保護—第2部分:材料和元件的防火要求。 EN45545-2:2020標準將測試劃分為R1-R28這28個不同的類別。根據車輛運行的風險程度不同,火災風險等級分為HL1-HL3(HL1,HL2,HL3),HL3火災風險最高。EN45545-2:2020從材料的可燃性、火焰傳播速率、熱釋放量、煙霧釋放量和毒性等多個方面進行綜合測試及評定。
√ 小區域材料EN45545-2 R22測試項目及標準如下: EN ISO 4589-2: 氧指數測試(根據極限氧氣指數進行評估) EN ISO 5659-2: 煙密度測試(Ds測試) NF X70-100: at 600℃的CIT毒性指數測試 參考閱讀:EN45545-2防火測試 https://www.fire-test.com/newsinfo/1156098.html