Aluminum foil is a thin sheet of metal foil comprising about 92-99% aluminum. Its thickness is typically between 4micron-150micron, the width and intensity are very different due to expected applications. It is a material that is durable, non-toxic, and oil-proof, which can resist chemical erosion.Since aluminum foil is of wide applications, there are many types of aluminum foil such as foil food packaging, cigarette aluminum foil, household aluminum foil, decorative aluminum foil, cable aluminum foil, aircon aluminum foil. Each type of aluminum foil has its own requirements for its alloy and thickness.