| Customization: | Available |
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| Material: | Natural Silica Mine |
| Content: | >90% |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
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| Name | Silica pebbles / Flint pebbles / Silica stone / Flint stone / Quartz stone |
| HS code | 25171000.00 |
| Size | Normal size: 2-4cm,4-6cm,6-8cm,8-10cm,10-12cm,12-15cm Re-selected size:1-3cm,3-5cm,5-7cm Other sizes can be made according to customers' requests. |
| SiO2 | ≥99.31% | Volume Density | ≥2.66~2.68g/cm3 | |
| Fe2O3 | ≤0.018% | Porosity | ≤0.38% | |
| Al2O3 | ≤0.36% | Actual abrasion rate | ≤1.35 | |
| CaO | 0.09% | Hardness | around 8 | |
| MgO | 0.04% | Color after burning | White |
| Package Details | Size | Bag:100cm x 100cm x 100cm Pallet:100cm x 100cm |
| Weight: | 1000-1300kg per bag 25-27 tons per 20'FCL 20 packages per 20'FCL |
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| Mark and Label: | Customizable |
Under the same test condition, the test report from our Japanese customer shows the difference between our Dalian pebbles & French pebbles: