- Natural rubber is obtained from rubber latex) Rubber is less likely to change when it is hot or cold, insulated, insulated, insoluble in water but soluble in some other organic solvents. Rubber can be used to make tires, balls, condoms, ...

- Rubber is native to South America, and is grown in Vietnam in the southeastern provinces. The rubber production process begins with the harvest of rubber from rubber trees. Cut the rubber tree bark to let the pus come out and take the cup. Collection of latex will be put in a large tanks.

- After collecting the latex from the tree, a small amount of ammonia is added for storage. Then, the latex is tranfered to a centrifuge. Centrifugal liquid latex is produced by disk centrifuge. The centrifuge dehydrates to create coagulum rubber content as required, discharged serum is used to produce skim block.