What is the coated sand in casting? What's the relationship between it and the resin?
The coated sand is casting is used to model the sand surface is covered with a layer of adhesive (usually resin), used when heated to a certain temperature of the resin melt the sand bonded together and then casting model made by casting
The coated sand is a kind of casting material, can be used to shape, playing sand, divided into the use of cast iron, cast aluminum and copper is different, you can go to the specific reference to see it, too much, I also said not specific
