The major commercial source of natural rubber latex is the Pará rubber tree. It is a member of the spurge family which is Euphorbiaceae.
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No, duct tape is not a natural resource. It is a synthetic adhesive tape made from materials like rubber, plastic, and fabric.
Some erasers have rubber(natural or synthetic). The rubber is made from rubber trees. It also contains styrene, buadience, sulpher, vynil, colorants( to get it the color you want like green for example), pumice, and vegetable oil.
Rubber is a natural material derived from the latex of certain plants, such as the rubber tree. However, synthetic rubber is also made in a chemical process using petroleum byproducts. So, rubber can be both man-made and natural.
Tires are a man made product made from natural resources. Early tires used natural resources from rubber trees, cotton plants, and sulfur. The cotton was spun into fibers that were used embedded in uncured natural rubber to strengthen it and the tire was cured using the sulfur in a process called vulcanization. Modern tires use natural resources from petroleum, iron ore, etc. The iron ore is made into steel which is made into steel fibers that are embedded in uncured synthetic rubber made from petroleum to strengthen it and the tire is cured.
Natural rubber is the main resource used for making tires and erasers. It is derived from the latex of rubber trees and is a key component in the production of these products due to its elastic properties and durability.