| FAQ of Nanometer Tourmaline Powder |
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Q: Can Tourmaline Powder whose granule size is 0.4～0.7μm be solely used on ceramic tiles?
A: Tourmaline Powder with granule size range of 0.4～0.7μm is not suitable for ceramic tiles by itself. It’s better to mix with other powder and re-apply. That will have good effect.
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