After salt waterspraytest, their hardness did not change.
经盐水喷雾试验后，其对于硬度并不会有所影响。
2
The test results show that the shield condition of fire, spray pressure and fire power have important effects on water mist fire suppression.
试验结果表明，对灭火效果有重要影响的因素是火焰被遮挡的条件、雾滴直径、喷雾压力和火焰规模。
3
Recent developments include a dry to touch water soluble rust preventative that outperforms the traditional products in salt spray and high temperature-high humidity test.