用于制作复合材料的材料?
用于制作复合材料的材料? Polyester Resins Polyester resins are a family of polymers used to produce a broad range of products. 热固性聚酯被称为不饱和聚酯树脂. 它们有许多用于特定应用的配方. These formulations are usually designated by the principle raw material that determines …