Chopped strand mat, also known as fiberglass mat is the most popular type of fiberglass compared to fiberglass cloth. It is less expensive. Chopped strand mat is often used as the first layer when making a mold.
First, woodworking production 1, the production of the bottom plate. On the ground to play a baseline, according to the baseline to form the bottom plate frame with planks on the ground, adjust the level, with FRP will be the