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Bentonite Clay(Pure)

Bentonite Clay(Pure)

Bentonite Clay is used as the absorbent of clay desiccant, which is widely used in machinery parts, precise instruments, electric and metal products and military-industries products etc. It is known as a green product due to its absolute safety and 100% environmental friendliness. It is non-toxic and non-rusty, containing no any additive and calcium chloride. It can be regenerated for repeated use at low temperature without deterioration.

Top-Sorb takes pride in its bentonite mine in Inner Mongolia. Comparing with other similar products, our bentonite clay has strong advantages as follows:

a. adsorption capacity reaches 25~27% at 25℃,RH=80%

b. water loss less than 0.7% (170℃)

c. montmorillonite content higher than 95%

Top-Sorb supply bulk clay in particle size: 0.5~1.5mm, 1~3mm, 1~4mm, 0.5~4mm etc.

bentonite clay
(Click to Enlarge it)
Particle size: 1~4mm
clay desiccant
(Click to Enlarge it)
Particle size: 0.5~1.5mm

Packaging and Loading

Two available packages: 25kg woven bag and 1000kg flexible container bag.

shipment of desiccant clay
loading of bulk clay
25 ton/container

I. Chemical Composition List

Chemical Composition Na2O MgO Al2O2 SiO2 P2O5 K2O CaO TiO2 MnO Fe2O3 FeO CO2
Per centage 0.49 4.02 14.05 62.98 0.07 1.07 2.38 0.40 0.10 4.21 0.13 0.09

II.Technical data

Chart 1.

Items Color Granularity Consistency Moistuere content (170℃) PH 25℃ RH=20% 25℃ RH=40% 25℃ RH=80% Additive Calcium Chloride
Index perple/ white 0.5~4mm 980 g/l <0.7% 7.0±0.5 ≥12.0% ≥19.2% ≥25.3%% Nil Nil

Chart 2.

absorption capacity of moisture

Chart 3.

adsorption rate

III.Quality standard

PRC Military GJB2714-96


IV.Product Information

To obtain the details, please download the PDF files as follows



Adsorption Capacity and Adsorption Rate

SGS Adsorption Capacity Test Report

SGS Heavy_Metal Test Report

V. Packaging:




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