What is "molding sand"

Molding \Mold"ing\, Moulding \Mould"ing\, p. a. Used in making a mold or moldings; used in shaping anything according to a pattern. Molding board or Moulding board.

1. See Follow board, under Follow, v. t.

2. A board on which bread or pastry is kneaded and shaped.

   Molding machine or Moulding machine. (a) (Woodworking) A planing machine for making moldings. ( b ) (Founding) A machine to assist in making molds for castings.

   Molding mill or Moulding mill, a mill for shaping timber.

   Molding sand or Moulding sand (Founding), a kind of sand containing clay, used in making molds.

Molding sand, also known as foundry sand, is a sand that when moistened and compressed or oiled or heated tends to pack well and hold its shape. It is used in the process of sand casting for preparing the mould cavity.