Production process Introduction
Source factory, high quality, and low price.
Flux Calcined Kieselguhr is a high-permeability filter aid material formed by flux calcination, and is widely used in clarification and filtration in beverage, chemical, sugar, and oil refining industries.
Advantages
Faster Filtration Speed
Fluorescent calcination results in a more robust filter bed with clearer pores and lower filter bed resistance.
Stronger Retention Capacity
The multi-level microporous structure can simultaneously retain both coarse particles and fine impurities.
More Stable Filter Cake Structure
Particle strength is reconstructed through fluxing, making the filter cake less prone to collapse and pulverization.
Improved Acid Resistance
High SiO₂ content combined with fluxing modification ensures product stability in acidic media.

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. |
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|
Product Grades |
SiO2(%) |
Al2O3(%) |
FeO3(%) |
CaO(%) |
MgO(%) |
Loss on ignition (%) |
|
|
TD21 Thru TD27 Grades |
90.5 |
3.15 |
1.35 |
0.48 |
0.38 |
0.25 |
|
|
TS505 Thru TS639 Grades |
89.9 |
3.26 |
1.23 |
0.45 |
0.35 |
0.22 |
|
|
The properties reported represent typical values. The values are supplied as a technical service. For important health and safety information, please see the MSDS. |
CHINA DIATOMITE MAN UFACTURER |
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Company Introduction
10 years of focus on diatomaceous earth research, development, and manufacturing.

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











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Why Choose Us
Providing one-stop solutions.

Packaging and Storage
Packaging Specifications: 20kg/25kg bags, pallet or ton bag options available.
Transportation Suitability: Compression-resistant and abrasion-resistant, not easily broken, suitable for sea and truck transport.
Storage Conditions: Sealed, moisture-proof, store in a dry and ventilated place.
Shelf Life: Unopened, can be stored for 24 months.

FAQ
Q: What's the difference between Flux Calcined and regular Calcined?
A: Flux Calcined has higher fluxing and calcination strength, more unobstructed pores, and superior filtration speed and clarity.
Q: Main application industries?
A: Beverage filtration, sugar refining, oil decolorization, chemical clarification, water treatment, etc.
Q: Is it food-grade?
A: Food-grade and third-party testing reports can be provided upon request.
Q: Supply and delivery time?
A: Standard models are in stock, shipping within 7-10 days; large quantities can be supplied stably.
Q: Customization available?
A: Customization of particle size, filtration performance, and packaging is supported.

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
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