Ceramsite Foundry Sand manufacturers Introduction The new casting sand which is more green, more effective, more eco-friendly from China is for sale, It has excellent properties, such as near spherical shape, higher refractoriness, good strength, and inert chemical characteristics, its cost performance ratio is better than that of chromite sand and zircon sand, which provides a simple and effective method for foundry to improve casting quality, reduce production cost and reduce environmental pollution. Technical Parameter 1. Main Chemical Element:http://www.tosupplychain.com/c....eramsite-foundry-san