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Quick Details

  • Type: Cobbles & Pebbles, filter media
  • Place of Origin: Henan, China (Mainland)
  • Brand Name: XKGS
  • Model Number: xk-318
  • Material: Natural Stone
  • Color: Mixed
  • Cobble & Pebble Type: Pebble
  • Shape: granule
  • Application: water purification
  • Main composition: SiO2
  • Silica: 98%min
  • Moh's hardness: 7.3
  • Silt content: 0.1%max
  • Volume weight: 1.85 g/cm3
  • Hydrochloric Acid Soluble Rate: ≤3.5%
  • Size: 4-8mm,8-15mm, can be customized

Packaging & Delivery

Packaging Details 50kg/bag, or according to your requirements.
Delivery Time 7-15 days after order confirmed


River Stone
1.Mixed color granules with hardness
2.Free sample can be sent to your evaluation
3.Size,pack can be customized

          Natural River Stone with Best Price


Apperance: mixed color granules with high hardness

Raw material:  natural river stone, pebble



1. Good hardness

2. Washed many times and still clean

3. Elliptical-shaped and uniform size

4. High SiO2 content and anti-corrosion, long usage period. 


Specification of River Stone (Pebble):


Test Data


98% min


2.6 g/cm3

Volume Weight

1.85 g/cm3

Moh's Hardness


Hydrochloric Aid Soluble Rate

3.5% max

Silt Content

0.1% max


Common Sizes:
1-2mm, 2-4mm, 4-8mm, can be customized.



The river stone (pebble) can be filter media used for water treatment, is a necessary filter media in three layer filter pond. River stone also used in landscaping. 

Package and Storage:
50kg per woven bag, 25 tons per 20ft container.
No mix-storage with chemical materials, store in water-proofing places.
Why choose us ?
1. 100% manufacturer and direct supplier
2. FREE SAMPLE can be sent to your evaluation.
3. ISO certificates
Related pictures as below:
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China (Mainland) | Manufacturer, Trading Company
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Supplier's Trade Assurance Limit: US $33,000
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