By measurement of the diameter and the thickness of the rubber by using digital Vernier. These values are measured using a colorimeter color of rubber stretched distance using a digital force guage.
The measurement of the diameter and thickness of the rubber using Vernier digital color measurement using a colorimeter ever tire of t using digital force guage.
The measurement of the diameter and thickness of rubber by using digital vernier measuring color using colorimeter value diagnosed of rubber phase using a stretch Digital force guage.