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Dec 28, 2021

Three metallic pigments used in helmets

Three metallic pigments used in helmetsThe helmet is composed of multiple parts, including the shell, lining, drawstring, nylon net, decals and othe...

Dec 28, 2021

Storage and use of water-based aluminum paste

Storage and use of water-based aluminum paste1. After soaking the slurry for a few minutes, add the water-based base material while stirring to obse...