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标题:BS EN 50265-2-1:1999单根电缆燃烧测试 电缆单根燃烧测试
正文:
单根电线电缆的防火阻燃性能可以通过BS EN 50265-2-1标准进行单根电缆火焰的性能测试。BS EN 50265-2-1:1999 Common test methods for cable under fire conditions-test for resistance to vertical flame propagation for a single insulated conductor or cable-Part 2-1: Procedures-1 KW pre-mixed flame.BS EN 50265-2-1:1999 在燃烧情况下电缆和绝缘导线性能的一般检验方法，单芯和单股电缆上垂直火焰扩展的试验，第2-1部分，检验方法，用1KW的混合火焰。BS EN 50265-2-1测试方法测试样品为(600± 25)mm的电线电缆。单根电线电缆垂直火焰燃烧同时满足如下要求被认为通过此测试。 电缆上端的破坏范围不能超过距上夹具50mm处。电缆下端的破坏范围不能超过距上夹具540mm处。如果这个两个测试结果有一个没有通过，被认为此测试失败。BS EN 50265-2-1:1999相关标准DIN EN 60332-1-2:2004 Tests on electric and optical fibre cables under fire conditions—Part 1-2: Test for vertical flame propagation for a single insulated wire or cable—Procedure for 1 KW pre-mixed flame and is for general use, except that the procedure specified of less than 0.5mm2 total cross-section because the conductor melts before the test is completed, or for the testing of small optical fibre cables because the cable is broken before the test is completes. In
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