Foam core is a type of material that is a type of polystyreneFoam core is a type of material that is a type of polystyrene. It contains more than 95% air, which makes it lightweight, durable, and extremely easy to cut. The only drawback to foam core is that it is easily damaged, which makes it perfect for indoor use. However, it is ideal for short-term uses, such as displaying a...2021.12.23 05:35Cascell® IH