Bentonite is a fine, beige-grey powdered clay widely used as a sealing agent and grout additive in both conservation and general construction. With a particle size of 95% under 150 microns, this high-purity bentonite is ideal for improving the performance of void-filling grouts, as well as for use in waterproofing and sealing applications.
✔️ Fine Particle Size: 95% under 150 µm for easy dispersion and high reactivity
✔️ Multi-Functional Use: Suitable for grout formulations, pond linings, and leak sealing in masonry
✔️ Compatible with: Natural hydraulic lime, pozzolans, and other mineral-based binders
✔️ Appearance: Beige-grey powder
✔️ Application Areas: Heritage masonry, civil engineering, pond and foundation sealing