CBR Compaction Collar

The CBR Mould Extension Collar is a durable steel attachment designed for use with standard CBR moulds during California Bearing Ratio (CBR) testing. It provides additional height for proper soil compaction, ensuring accurate sample preparation for reliable test results. Features: * Heavy-duty steel construction * Corrosion-resistant powder-coated finish * Precision fit for standard CBR moulds * Provides extra height during compaction * Easy to attach and remove * Durable and reusable * Ideal for geotechnical and highway laboratories * Ensures accurate and consistent soil sample preparation