Production process Introduction
Source factory, high quality, and low price.
Diatomaceous Earth Filter Material is a high-porosity filter medium formed by calcination and activation of natural diatoms, used for solid-liquid separation in food and beverage, pharmaceutical, and water treatment industries.
Advantagers
Fast filtration speed: Derived from a natural porosity of 70–80%, the filter bed has low resistance, resulting in higher flow rates and less clogging.
High clarity: Controllable particle size distribution and stable filter cake structure effectively trap fine particles, reducing effluent turbidity.
Strong chemical and thermal stability: SiO₂ content ≥85%, resistant to acids and alkalis, high temperatures, and does not react with the medium, ensuring filtration safety.
Environmentally friendly: Made of natural inorganic materials, it can be pressure filtered or landfilled, meeting the environmental requirements of the food and beverage industry.

Product Technical Data Sheet
Low density, high whiteness, low viscosity, and high purity.
Typical Physical & Chemical Properties
|
Grade |
TD21 |
TD23 |
TD25 |
TD27 |
TS505 |
TS507 |
TS509 |
TS516 |
TS518 |
TS527 |
TS528 |
TS529 |
TS637 |
TS639 |
|
Color |
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 |
7.0 |
8.5 |
10.0 |
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 Density(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(%) +150 Mesh |
0.4 |
0.6 |
0.9 |
1.2 |
2.5 |
2.8 |
3.0 |
6.3 |
7.5 |
10.5 |
15.5 |
15.8 |
19.0 |
25.0 |
|
Median Particle Diameter(um) |
15.2 |
17.8 |
20.6 |
22.8 |
25.0 |
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 |
7.0 |
8.5 |
8.5 |
8.5 |
9.0 |
9.0 |
9.2 |
9.2 |
9.2 |
9.5 |
9.5 |
|
1,Tyler Screen;+150 mesh= > 105 microns 2,Note: Permeability (Darcy) is tested by the CHINA method. |
||||||||
|
Product Grades |
SiO2(%) |
Al2O3(%) |
FeO3(%) |
CaO(%) |
MgO(%) |
Loss on ignition (%) |
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 |
|||||||
Company Introduction
10 years of focus on diatomaceous earth research, development, and manufacturing.

Honor And Qualification
Official certifications and professional after-sales service.











Certificate name

Certificate name

Certificate name

Certificate name

Certificate name

Certificate name

Why Choose Us
Providing one-stop solutions.

Packaging and Storage
Packaging Specifications: 25kg paper-plastic bag; 500–1000kg ton bag, customizable.
Transportation Suitability: Moisture-resistant and breakage-resistant, suitable for container sea/land transport.
Storage Requirements: Store in a dry, well-ventilated environment; seal tightly after opening.
Shelf Life: 24 months.

FAQ
Q: What is the filtration principle?
A: It relies on diatomaceous earth micropores to form a filter cake, achieving efficient solid-liquid separation through sieving and adsorption.
Q: What are the common particle sizes?
A: The mainstream size is 5–25 μm, and different gradations can be provided according to industry requirements.
Q: Which industries is it suitable for?
A: Food and beverage, pharmaceuticals, water treatment, chemicals, oil purification, etc.
Q: Is it food-grade safe?
A: Food-grade and safety testing reports and ISO quality system certifications are available.
Q: Does it support customized packaging?
A: Customized ton bags, 25kg bags, and printed labels are available.
Q: How long is the delivery time?
A: Regular models are in stock; large orders ship in 7–10 days.

24-hour hotline:400-822-5989
Ministry of Foreign Trade:+86-532-86623372
Domestic trade department phone:+86-532-86623521
Internal trade Department mailbox:sales@cnshengtai.com
Ministry of Foreign Trade E-mail :info@cnshengtai.com
Address:No.97 Fuzhou South Road,Jiaozhou, Qingdao, China
Hot Tags: diatomaceous earth filter material, China diatomaceous earth filter material manufacturers, suppliers, factory, filler used in mixing, smooth filler, chemical industry diatomite flux calcined, filler used in textile production, filler for sealants, forging diatomite flux calcined
