1 from the surface brightness: brightness discrimination, high-quality glitter bright degree is high.
2 shape: if possible, use microscope to see glitter powder shape, with a high degree of shape, rules.
Not the same size and powder case is called low quality glitter powder.
3 PH: In available day, taking into the water immersion, glitter powder will not fade.
4 high temperature cooking: Glitter powder in the high temperature cooking without adverse effect is the top grade. This method is used for identification of glitter glue and nail polish of the glitter powder.
I hope the above content to help you pick out the best glitter powder.
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