How many pounds is the laminated bow equivalent to the traditional bow?

Lamination is just a process of making bows, that is, a variety of materials, such as glass slides, sawdust and glass slides, are bonded together with modern glue. The traditional bow mainly talks about the shape of the bow. All traditional bows can be made by laminating process. 45 pounds is 45 pounds. However, how many kilograms will be matched with how many stretching distances, 28 inches and 30 inches, and so on. , the number of overstretched pounds will increase.