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Diatomite Filter Aid

Diatomite has been used as a filter aid for nearly a century. The ore is a soft, friable siliceous mineral. It is composed of the skeletons of microscopic plants deposited on the bottoms of oceans and lakes after and during the Miocene Age, from 100,000 to 15,000,000 years ago. Under the microscope the particles of diatomite show up in a variety of forms: symmetrical figures resembling disks, rods, cylinders and snowflakes. It is the shape factor combined with the rigidity of the particles that makes diatomite such an excellent raw material for the production of superior filter aids.

Diatomite filter aids offer outstanding performance from the finest to the coarsest grades. These materials meet all requirements for good filter aids. This enables them to meet the exacting clarity and flow-rate demands of industrial filtration. Even more important, the user can depend on consistency and uniformity load after load.

TECHNICAL ANALYSIS- Melting Aided Roasted Filter Aid: CY-100#

PHYSICAL PROPERTIES		CHEMICAL PROPERTIES
Grade	CY-100#	SiO2	≥89.60%
Color	White	Al2O3	≤4%
Description	Flux Calcined Filter Aid	Fe₂O₃	≤1.5%
Specific Gravity	2.3 g/cm³	CaO	≤0.6%
Moisture	≤2%	MgO	≤0.5%
Loss On Ignition	≤3%	Others	≤0.8%
PH	8-10	Pb, mg/kg	≤1
Bulk Density	0.44g/cm³	Water permeability %	≤2.0
Flow Rate (Darcy)	0.96-1.50	Arsenite mg/kg	≤1
Median Particle Size	19-28 um	Heavy Metal	<0.005%

TECHNICAL ANALYSIS- Melting Aided Roasted Filter Aid: CY-700#

PHYSICAL PROPERTIES		CHEMICAL PROPERTIES
Grade	CY-700#	SiO2	≥89.60%
Color	White	Al₂O₃	≤4%
Description	Flux Calcined Filter Aid	Fe₂O₃	≤1.5%
Specific Gravity	2.3 g/cm³	CaO	≤0.6%
Moisture	≤2%	MgO	≤0.5%
Loss On Ignition	≤3%	Others	≤0.8%
PH	8-10	Pb, mg/kg	≤1
Bulk Density	0.45g/cm³	Water permeability %	≤2.0
Flow Rate (Darcy)	5.00-7.50	Arsenite mg/kg	≤1
Median Particle Size	35-44um	Heavy Metal	<0.005%