In the construction of carbon fiber bike frames, a type of polymer called a resin is used to bind the carbon fiber strands together and give the frame its final shape and properties. There are several types of resins that can be used in the construction of carbon fiber bike frames, including epoxy, polyester, and vinyl ester.
Epoxy resins are a common choice for carbon fiber bike frame construction due to their high strength and durability. They are also known for their good chemical resistance and ability to withstand high temperatures.
Polyester resins are another option for carbon fiber bike frame construction. They are generally less expensive than epoxy resins and have good UV resistance, but they may not be as strong or durable as epoxy resins.
Vinyl ester resins are similar to polyester resins, but they offer improved chemical resistance and are less prone to shrinkage during the curing process. They are often used in the construction of carbon fiber bike frames that will be exposed to harsh or corrosive environments.
The specific type of resin used in the construction of a carbon fiber bike frame will depend on the desired properties and characteristics of the frame, as well as the manufacturing processes and techniques used by the frame manufacturer.