项目ITEM | 指标INDEX |
附着力，级Adhesion,grade | ≤1 |
铅笔硬度，Pencil hardness | ≥2H |
耐冲击性，Kg.cm Impact strength, Kg.cm | 50通过 50passed |
耐磨性(750g/500r,, g) Wearability weightloss,g | ≤0.03 |
耐水性 Water resistance | 48小时无变化 No change in 48 hours |
耐候性（人工加速老化）
Wearability(Manual quicken aging) | ≥500h |
耐10%盐酸 Anti-10 %? hydrochloric acid | 144小时无变化? No change in 144 hours |
耐10%氢氧化纳 Anti-10 %sodium hydroxide | 144小时无变化 No change in 144 hours |
