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Natural pebble stone used for water purification

Product: Pebble/ River stone

Color: White/ Green / Sky blue / Brown etc.

Common size: 1-2,2-4,4-6,6-8,8-15,15-32cm 0.5-1 1-2 2-4 4-6 6-8mm

Usage: Water filter

Package: 25/50 kg/ bag

Description

Cobblestone is a kind of pure natural stone. It is taken from the gravel mountain produced by the ancient river bed uplift after crustal movement ten million years ago.

Advantage of Pebble

  • Hard
  • Wear resistance
  • Anti- stress

Application of Pebble

  • Water filter media
  • Sewage treatment
  • Gardening

Specification of Pebble

Specific gravity1.85g/cm3Hardness7.5
SiO298%Bulk density1.85
Solubility of hydrochloric acid3.50%Density2.66

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