US Silica specializes in products and solutions for the oil and gas industry, glass, chemical and foundry industries, as well silica sand and industrial minerals used in building products, fillers and extenders, recreation, industry filtration and treatment and testing and analysis.
Cemex 50 lb. 30 Mesh Sand-200000278 - The Home Depot
I have found a source for silica sand ranging from 90mesh to 300 and bentonite to mix with I bought the clay it is a 200mesh but what is the best size for sand for the best finish on castings,I am most concerned with brass casting apperance but it wil be used for aluminun as wel. what are the trade offs about the larger and smaller grain sizes?
Mesh is a measurement of particle size often used in determining the particle-size distribution of a granular material.For example, a sample from a truckload of peanuts may be placed atop a mesh with 5 mm openings.