carbon fiber prepreg

Prepreg (Prepreg, PreimpregnatedMaterials), is the matrix (Matrix) impregnated in reinforced fibers (Reinforced Fiber) made of prepreg sheet products, is the composite material of the intermediate material.

What is carbon fiber

A carbon fiber is a long, thin strand of material about 0.0002-0.0004 in (0.005-0.010 mm) in diameter and composed mostly of carbon atoms. The carbon atoms are bonded together in microscopic crystals that are more or less aligned parallel to the long axis of the fiber.

difference of Fiberglass and carbon fiber

Fiberglass and carbon fiber are the most widely used in the industry. Both have a wide assortment of usages, and are extremely versatile.
The choice of whether to use carbon or fiberglass in your application depends on many factors.