Filter Grade Diatomaceous Earth

Filter Grade Diatomaceous Earth

Filte grade diatomaceous earth is a naturally efficient filtration medium processed from fossilized diatom deposits, featuring a unique porous structure and superior adsorption capacity that makes it ideal for solid-liquid separation across food & beverage, chemical, and pharmaceutical industries. Its micron-scale pore network effectively captures suspended particles, bacteria, and impurities while maintaining exceptional filtrate clarity. Through high-temperature calcination treatment, the product achieves outstanding chemical stability with zero contamination risk, fully complying with food-grade safety standards.With advantages including low density and high permeability, our filter-grade diatomaceous earth demonstrates excellent compatibility with various industrial equipment such as plate-and-frame filters and rotary vacuum drum filters, delivering 40-60% improved filtration efficiency and extended filter media lifespan. Compared to conventional filter aids, its remarkable regenerability reduces operational costs by over 30%. Particularly suitable for beer clarification, edible oil refining, and wastewater treatment applications, this high-performance material represents the optimal choice for industrial filtration processes where purity, efficiency, and cost-effectiveness are paramount.Certified to meet FDA, NSF and ISO standards, our product comes with comprehensive technical support and sample availability upon request.

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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

What Are The Advantages Of The Filter Grade Diatomaceous Earth?
Filter grade diatomaceous earth has become an essential material in industrial filtration due to its unique physical and chemical properties. Its natural porous structure delivers exceptional particle retention capability, effectively capturing suspended solids, colloids, and microorganisms ranging from 0.1 to 50 microns, while significantly improving filtrate clarity. Compared to conventional filter aids, its low-density characteristics minimize equipment clogging risks, extend filter element service life, and reduce energy consumption by over 30% - combining economic efficiency with environmental benefits.The material demonstrates outstanding chemical stability after high-temperature calcination, exhibiting excellent acid/alkali resistance with no risk of secondary dissolution, and full compliance with FDA food-grade safety standards. In food processing applications like beer brewing and juice clarification, it achieves efficient impurity removal without compromising product flavor or safety. Its regenerative properties further enable recycling, substantially reducing waste disposal costs.With remarkable adaptability, filter-grade diatomaceous earth performs reliably across diverse equipment including plate-and-frame filters and rotary pre-coat systems, meeting precision filtration requirements in pharmaceutical, chemical, and environmental applications. It maintains consistent filtration efficiency even when processing high-viscosity liquids or high-temperature media. By delivering superior performance, safety assurance, and multi-scenario compatibility, filter-grade diatomaceous earth continues to provide dependable solutions for industrial filtration challenges.

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.