- Location:Beijing Kaibiyuan Trading Co., Ltd.
- Add:E6A, Huatingjiayuan, Jianxiang Bridge East, Chaoyang District, Beijing, China
- Contact:Mr Liu
- Postal Code: 100029
- Tel:+86-10-82850317
- Fax:+86-10-82849586
- Mobile:+86-13011198217
- E-mail:
tradelhg@kby010.com - MSN:
andyhai008@hotmail.com - Alibaba Show Room:
http://hl010.en.alibaba.com
Pebbles (gravel)
Pebbles (gravel)
Pebble support gravel, Cobble, Support media in water treatment
Pebble support gravel, other name: Cobble support gravel, Support gravel etc.
Product Description
Pebble support gravel, the low strata of a filter bed, acts to support the filter media. The max efficiency, the support gravel must possess the necessary attributes of hardness and be rounded or non-angular. Correct gradation and sizing must be calculated to properly support the filter media.
Pebble support gravel package: 25, 50, 500 kgs woven bag
|
Type |
SiO2 |
Density |
Insoluble in HCl, max |
Bulk density |
Hardness |
Attrition |
|
Pebble support |
60%-97% |
2.67 |
0.2% |
1.85 |
7.0-8.0 |
0.5% |
|
Particle size, |
2.0 -4.0mm , 3.0 -5.0mm , 4.0 -6.0mm , 4.0 -8.0mm , 6.0 -12.0mm , 8.0 -16.0mm , 12 -20mm , 16 -25mm , 16 -32mm , 30 -40mm , 32 -50mm , 32 -64mm |
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