Where Is Rubber Grown?

The rubber tree plant is a tropical plant, which is found in some parts of africa and south america.   Rubber was discovered and had to have compounds added to make them solid.  Most tire factories formula for making rubber tires is a highly guarded secret.  Rubber is the resin of the plant, like maple syrop is the resin of Maple trees

Rubber is not grown it is gotton from a rubber tree grown in tropical environments