Divided into block rubber, latex, liquid rubber, and powder rubber according to their morphology. Latex is a colloidal water dispersion of rubber; Liquid rubber is an oligomer of rubber
Natural rubber is made from latex, and a portion of the non rubber components contained in latex remain in solid natural rubber.
The common structure of unvulcanized rubber. Due to its high molecular weight, the macromolecular chains exhibit random curling curves and clusters without external forces.