Crusher Dust is a a finely graded crushed blue stone similar to Roadbase. It can be compacted firm and used as a sub-base for a variety of applications. Under pavers we recommend you use Roadbase due to its superior drainage and lower mineral content (high mineral content and moisture content can casue Efflorescence to appear).
1.6 Tonne = 1m3
For more information on Filling and Compaction materials and help deciding which product is best for your project, visit the Filling & Compaction Resource Guide.