We offer high-quality Construction & Civil Engineering Grade Bentonite in grey powder form. Our sodium bentonite boasts a swelling index of ≥ 24 ml/2g and very high water absorption capacity, making it ideal for waterproofing membranes. With a very low permeability and moisture content ≤ 12%, our product ensures excellent performance. The pH value ranges from 8.5 to 10.5, suitable for various applications. As a leading Manufacturer, Exporter, and Supplier, we provide top-notch bentonite for your construction needs.