Specific Gravity Balance is useful for checking the Specific Gravity of rubber and rubber like materialshaving range from 0.9 to 3. The balance consists of rigid quadrant scale with figures printed on the scale standing vertically fitted on base.Range Graduation0.9 to 2.0 0.012.0 to 2.5 0.022.5 to 3 0.05Weight of test specimen: 5 to 12gms.