Paint hardness on steel 钢铁表面油漆硬度测试
Paint film scratch hardness meter 漆膜划痕硬度计
When the protective paint hardness and thickness of less than external forces, will naturally be scratched into the gold.
当保护漆硬度和厚度低于外力的时候，自然而然就会被刮花到金箔了。
The UV-cured ink has a similar hardness to automotive paint, and a final coat of matte or semi-gloss acrylic further protects the colored surface.
所用的防紫外线的油漆与汽车喷漆的硬度相当，最外面一层是不光滑或者说是半抛光丙乙烯材质外壳提供了进一步的保护。
To get started, select a smallish brush with 100% hardness and start to paint over the duplicated layer with it.
准备就绪，选择一个100%硬度的短小画笔，然后用它在复制的图层上开始绘制。
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