国标 GB/T 4943 信息技术设备的安全附录A

test item测试名称：safetyof information technology e  信息技术设备的安全附录atestinfo 测试内容：  test clausere 总质量超过18kg的移动式设备和驻立式设备防火防护外壳的可燃性试验conditioningpreconditioned in anair-circulating oven for 168 hours　a2. 总质量不超过18kg的移动式设备防火防护外壳和安置在防火防护外壳内的材料和元器件的可燃性试验conditioningpreconditioned in anair-circulating oven for 168 hours at 70±1°c and then cooled atroom temperature, prior to testing　 a6.垂直燃烧(自撑料) v0,v1,v2 conditioning23 ±2°c and 50±5 percentrelative humidity for a minimum of 48 hours and preconditioned inan air-circulating oven for 168 hours at 70±1°c and then cooled inthe desiccator for at least 4 hours at room temperature, prior totesting.　a7.水平燃烧(泡沫材料)hbf, hf-1, hf-2 conditioning23 ±2°c and 50±5 percentrelative humidity for a minimum of 48 hours and preconditioned inan air-circulating oven for 168 hours at 70±1°c and then cooled inthe desiccator for at least 4 hours at room temperature, prior totesting.　a8 hb级材料的可燃性试验hbconditioning23 ±2°c and 50±5 percentrelative humidity for a minimum of 48 hours　sample required and turnaroundtime, 所需样品及时间　test itemssample size tat (workingdays)a15 finished products14a25 finished products14a612 pieces with the size of 125 ± 5 × 13 ± 0,2 mmx thickness(typicalthickness is 1.5mm, 3.2mm and 6.4mm) 14a712 pieces 150± 5x50±1mm14a812 pieces 130± 5x30xmimimumthickness or 3mm9

 

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