colour sand

  Colored sand is divided into natural sand, permanent staining sand, temporary staining sand.
  Permanent staining sand: Brightly colored, acid and alkali resistance, UV, do not fade.
  Natural sand: From natural ore crushing, does not fade but has more impurities.
  Temporary staining sand: Brightly colored ,easy bleaching

  Character:non-toxic.tasteless.pollution-free.resistant to corrosion.Resistance to insolate.invariant color.resistant to acid-base.
 
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