Pebble support gravel for water treatment, with AWWA, F08 series, Variegated

Pebble support gravel(F08 series) other name:Cobble support gravel, Support gravel

Pebble support gravel(F08 series), 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(F 08 series): Meet AWWA standard

Pebble support gravel(F08 series) package: 25, 50, 500 kgs woven bag

Pebble support gravel(F08 series) specs.:

Type	SiO2 Content min	Density g/cm3	Insoluble in HCl, max	Bulk density g/cm3	Hardness Moh, min	Attrition max
Pebble support Gravel(F08)	60%-80%	2.6-2.8	0.2%	1.7-1.9	6.0-8.0	0.5%
Particle size, mm	2-4mm,  3-5mm,  4-6mm,  4-8mm,  6-12mm,  8-16mm,  12-20mm,  16-25mm,  16-32mm,  30-40mm,  32-50mm,  32-64mm (Other specs. are available)