检测认证人脉交流通讯录
BS 476-7
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对应法规：
CNAS认可项目： - Test item 测试名称: fire propagation 火焰传播Refer products 涉及产品: 塑料, 塑胶, 木板...Test limit 限量要求：The results on the flame spread on the material surface should smaller than 165mm from the reference measuring point.
Flame spread at 1½ minutes Final flame spread Classification Limit Tolerance for one specimen in sample Limit Tolerance for one specimen in sample mm mm mm mm Class 1 165 25 165 25 Class 2 215 25 455 45 Class 3 265 25 710 75 Class 4 Exceeding Class 3 limits Sample request 送样规格:A minimum 9 test specimens shall be provided, and they shall be representative of the exposed surface of the product885 mm X 270 mm X thickness (less than 50mm) x 9pcsit is required to state the product normally used with/without an air gap behind it and the exposed face.Lead time 测试周期：normal 10 working daysOthers 其他信息:1. Class 0 ( BS476-6 and BS476-7 )The material must meet the requirement of Class 1 results to BS 476: Part 7have a sub-index I1 ≤ 6 and a total index I ≤ 12 results to BS 476 Part 6
Sample report 样本报告:
