Non-Metallic Minerals
Water-repellent perlite for thermal insulation—wholesale from the manufacturer; water-repellent expanded perliteWater-repellent expanded perlite granules made from natural perlite with a surface treatment intended to reduce water absorption. The supplier describes applications in building insulation, industrial insulation and horticultural mixtures. Particle size, bulk density, thermal conductivity, water absorption and any required fire-test classification should be confirmed against the product data sheet for the selected grade.




