Diatomaceous Earth Filter Media

Diatomaceous Earth Filter Media

Our premium diatomaceous earth filter media is processed from natural diatomite through calcination and precision classification, featuring ≥90% SiO₂ purity, ≥85% porosity, 40-70m²/g specific surface area, and adjustable pore sizes (0.1-50μm). This high-performance medium achieves >99% retention of suspended solids, colloids and microorganisms while increasing water/liquid flow rate by 20% and reducing turbidity to ≤5 NTU - ideally suited for precision filtration in food, pharmaceutical, and chemical industries.Engineered with exceptional chemical resistance (pH 1-14), thermal stability (400°C), and compressive strength (>1.5MPa), it's compatible with sand filters, pressure filters and various industrial equipment. The chemical-free composition meets FDA and ISO certifications, while its recyclable filter cake reduces waste by 35% and delivers 25% overall cost savings.Key Features:Customizable particle sizes (20-400 mesh)

，Superior adsorption capacity，Outstanding structural stability，Environmentally sustainable solution，Broad industry applicability.This advanced filter media combines high-efficiency separation with circular economy benefits, supporting multiple industries in achieving: Optimized filtration performance, Reduced operational costs,Enhanced resource recovery,Sustainable production processes.By leveraging its exceptional adsorption properties and robust physical characteristics, our diatomaceous earth filter media enables reliable, cost-effective filtration solutions while promoting environmental responsibility across industrial applications.

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Production process introduction

Source factory, high quality and low price

Product technical indicators

Low density, high whiteness, Low vorticity, high purity

Grade	TD21	TD23	TD25	TD27	TS505	TS507	TS509	TS516	TS518	TS527	TS528	TS529	TS637	TS639
Colour	Pink	Pink	Pink	Pink	white	white	white	White	White	White	White	White	White	White
Permeability(Darcy)	0.05	0.13	0.22	0.31	1.4	1.9	2.5	3.6	4.5	5.5	7	8.5	10	16.5
Tap density (g/cm3)	0.45	0.45	0.45	0.45	0.46	0.46	0.46	0.47	0.47	0.47	0.47	0.47	0.48	0.48
Wet Densityc(g/cm3)	0.37	0.37	0.37	0.37	0.35	0.35	0.35	0.34	0.34	0.33	0.33	0.33	0.33	0.32
sieve analysis（%）	0.4	0.6	0.9	1.2	2.5	2.8	3	6.3	7.5	10.5	15.5	15.8	19	25
+150 Mesh	0.4	0.6	0.9	1.2	2.5	2.8	3	6.3	7.5	10.5	15.5	15.8	19	25
Median Particle Diameter(um)	15.2	17.8	20.6	22.8	25	28.8	30.5	32.5	37.2	40.8	45.8	50.2	60.7	72.6
PH	6.8	6.8	6.9	7	8.5	8.5	8.5	9	9	9.2	9.2	9.2	9.5	9.5
1、Tyler Screen;+150 mesh= > 105 microns 2、Note: Permeability (Darcy) is tested by CHINA method.
Product Grades	SiO2(%)		Al2O3(%)		FeO3(%)		CaO(%)		MgO(%)		Loss on lgnition (%)		Refractive Index
TD21 Thru TD27 Grades	90.5		3.15		1.35		0.48		0.38		0.25		1.43
TS505 Thru TS639 Grades	89.9		3.26		1.23		0.45		0.35		0.22		1.46
The properties reported represent typical values. The values are supplied as a technical service. For important health and safety information, please see the MSDS.											中国硅藻土制造商 CHINA DIATOMITE MAN UFACTURER
											中国硅藻土制造商 CHINA DIATOMITE MAN UFACTURER

Company introduction

10 years of focus on diatomaceous earth research and developme

Honor And Qualification

Official certification, professional after sales service.

Logistics and packageing

Full intimate service - to meet the practical needs of all cust

Everything you need to know

Advantages Of Diatomaceous Earth Filter Aid
1.High-Efficiency Filtration Performance The synergistic effect of adjustable pore sizes (0.1-50μm) and high porosity (≥85%) delivers >99% suspended solids retention and ≥98% removal of colloids and microorganisms, achieving effluent turbidity ≤5NTU while increasing flow rate by 25% - perfectly balancing precision and productivity. 2.Extreme Environment Tolerance With exceptional resistance to strong acids/alkalis (pH 1-14), high temperatures (400°C), and compressive strength >1.5MPa, it maintains structural integrity in harsh applications including corrosive chemical liquids and high-temperature oil processing. 3.Universal Applicability Covering diverse scenarios from food/beverage clarification to industrial wastewater treatment and petrochemical catalyst recovery, it offers customizable particle sizes (20-400 mesh) and compatibility with pressure filters, centrifuges, and rotary vacuum drums - minimizing production line modification costs. 4.Eco-Safe Solution Manufactured from natural mineral sources without chemical additives, it meets FDA/ISO certifications. The recyclable filter cake (for metal extraction or construction materials) reduces waste by 40% and cuts carbon emissions by 20%. 5.Economic Efficiency The high-permeability design decreases cake resistance by 30%, saving 25% energy consumption, while delivering 30% overall cost reduction compared to traditional filter media - significantly shortening ROI periods. 6.Customization Flexibility Tailorable pore sizes and particle distributions accommodate micron-to-nano scale separation needs, supporting both pre-treatment and final polishing stages for diversified production processes. Core Value Proposition: Centered on "precision separation + universal adaptability", diatomaceous earth filter aid addresses critical industrial pain points including low efficiency, high costs, and environmental challenges - empowering enterprises to achieve productive, energy-saving, and sustainable manufacturing operations. Its optimized performance characteristics make it an ideal solution for modern filtration requirements across multiple industries.

How To Order?	Can You Supply Sample For Test ?
1: Plese tell us the detailed technical parameters you needed	Yes, the sample is free.
2: Then we choose the exact type diatomite filter aid .
3: Pls tell us the packing requirements,quantityand other request.	When Will Make A Delivery?
4：Then we answer these questions and give a best offer.	Delivery time - Stock order: 3 days after receipt of the full payment.- Other order: 15 days after of the deposit.

What Are Your Core Advantage?
1. Source factory, own mine, stable supply of core raw materials for 30 years.
2, The new self-developed low temperature washing storage process, lower product density, longer filtration cycle; The whiteness of the filler higher, the particle size of the product is more uniform, and the vortex value is less.
3. The only large enterprise in China that uses natural gas as a heat source for production, we always take environmental protection as our own responsibility and are committed to achieving sustainable development while protecting the environment.

What Is Your Capacity?
The production capacity of our current diatomaceous earth filter aid is 60,000 tons/year, the production capacity diatomaceous earth filler is 2.5 tons/year, the production capacity of natural diatomaceous earth constant temperature drying product is 15,000 tons/year, the total production capacity of 90,000 tons/year.