The instrument is used for testing density of rubber, plastic and similar materials. It can read directly, without weighing and calculating. It is simple to use, convenient to operate, and suitable for quick test of processing in production and research departments. The machine complies with HG4-1469 慠ubber Density Measuring Method?and 慠ubber Density and Relative Density Test Method? Technical Parameters: 1. Test Piece Weight: 5--20g 2. Scale Range: density 0.9--2.0 scale mark 0.01g/ Density 2.0--2.5 scale mark 0.02g/ Density 2.5--3.0 scale mark 0.05g/ 3. Precision and Repeatability: 0.005