The fine particles from ground rock containing a high content of crystalline silica.
Fine powdered sand used as a support or cushion when firing porcelain greenware to bisque.
sand with a high percentage of silicon dioxide.
Clean sand made up of sharp silica particles, not containing dirt or clay, used for abrasive blast cleaning and as a filler in many topping systems.
A very fine white sand used with natural gas log sets. Gas ignites while passing through it, giving the flame its desired flickering effect.
Sand with a minimum silica content of 95% used for forming casting molds.