The basic chemical formula for sodium-based casting is: Nax(H2O)4(Al2-xMg0.83)Si4O10(OH)2

Discover the excellence of our casting-grade bentonite clay – a versatile and high-performance material engineered for precision casting applications. Sourced from premium deposits, our bentonite boasts optimal grain size distribution, ensuring exceptional molding capabilities. With superior plasticity, it facilitates intricate mold formation and guarantees stability during the casting process. Its impressive flowability and refractoriness make it an indispensable choice for foundries aiming for top-quality metal castings. Tested for key parameters like moisture absorption, green compression strength, and methylene blue absorption, our casting-grade bentonite stands at the forefront of innovation, meeting the stringent demands of modern casting industries. Elevate your casting experience with the reliability and excellence that our bentonite clay brings to every mold and cast.

Main Parameters

1. Color: Beige, off-white

2. Methylene Blue Absorption: 36g/100g

3. Green Compression Strength: 120Kpa

4. Hot Wet Tensile Strength: 3.5Kpa

5. Swelling Value: >90ml/3g

6. Moisture content: <12%

7. Grain Size Distribution: -200mesh >99.5%

                                          -325mesh >99%

8. Plasticity Index: 180%-200%

Chemical Composition

SiO2 69.32%

Al2O3 14.27%

Fe2O3 1.84%

TiO2 0.13%

CaO 1.99%

MgO 2.69%

Na2O 1.85% 

K2O 1.38%

LOl 5.67%

General Description

1. Package Standard: Using inner plastic film and outer plastic woven bag for two-layer packaging, accept customize package

2. PH Value: 6-8

3. Shape: Powder

Product Advantage

1. Low amount added, high strength

2. Excellent permeability

3. Excellent hot wet tensile strength and strong resistance to sand inclusion

4. High temperature resistance

5. Non toxic and environmentally friendly