Pebbles is a natural river excavation, screening, water separation, pure white and pigmented spherical shape, processing mechanism of quartz gravel and pebbles. The product has no impurity density of 2.66, contains 98.5% silicon, and has a mechanical strength of 7.5. It is used in waterworks, mechanical filters, cation exchange and other necessary materials.
Common specifications:6-8mm，8-16mm，2-3cm ，3-5cm， 5-8cm，8-10cm，8-15cm，16-32cm，32-50cm。
Cobblestone filter material series for water treatment:4—8mm、8—16mm、16—32 mm；
Water treatment plant filter material cushion series:2—3cm、3—5cm、5—8cm、8—16cm、16—32cm；
Chemical plant acid and corrosion resistance series: (natural pebbles)5—8cm、8-12cm；
分析项目ITEM | 分析数据INDEX | 分析项目ITEM | 分析数据INDEX |
SIO2 | ≥98% | 盐酸可溶率Hydrochloric acid soluble rate | ≤0.2% |
密度DENSITY | 2.6 g/cm | | 1.85g/cm |
含泥量MUD CONTENT | <0.1% | 机械强度STRENGTH | 7.5 天然 |