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Flammability classes
The classification of the ignition and burning resistance characteristics of materials other than metal or ceramic:
| 等级 | V-0 | V-1 | V-2 |
| 每个样品的火焰应用次数 | 2 x 10 | 2 x 10 | 2 x 10 |
| 单个样品的最大燃烧时间 | ≤ 10 | ≤ 30 | ≤ 30 |
| 五个样品的最大燃烧时间 | ≤ 50 | ≤ 250 | ≤ 250 |
| 允许滴下和点燃 下面的棉花 | 否 | 否 | 是 |
| 允许的残光时间： | ≤ 30 | ≤ 60 | ≤ 60 |
HB – Slow burning on a horizontal specimen; burning rate < 76 mm/min for thickness < 3 mm.
Impact classification
| 等级 | 撞击能量(J) | 等同重量(kg) | 高度 mm(±1%) |
| 非常轻 | 0.5 | 0.25 | 200 |
| 轻 | 1 | 0.25 | 400 |
| 中等 | 2 | 0.5 | 400 |
| 重 | 5 | 1.7 | 300 |
| 非常重 | 20 | 5 | 400 |
Corrosion resistance
| 等级 | 典型应用 | 平均锌层 厚度 (?m) | 最小锌层 厚度 (?m) | 含盐喷雾 持续时间 (h) |
| 低 | 室内，干燥 环境 | 5 | 3.5 | 24 |
| 高 | 室外，潮湿 环境 | 25 | 18 | 192 |
11.2 Resistance to corrosion (IEC 61914)
‘Stainless Steel containing at least 16% chromium need not be tested and are assumed to meet the classification for high resistance to corrosion.’
