(1) A model used as a cathode in electroforming.
The single-use core mold materials are aluminum alloy, zinc-based alloy, fusible alloy, wax preparation, plastic, etc.; the core mold materials used for making multiple uses are nickel and nickel alloy, stainless steel, aluminum alloy, carbon steel nickel plating or Chrome, plastic, etc. Which core mold is selected should be determined by factors such as product shape, accuracy, surface roughness requirements, and cost.
(2) a core type used for winding a reinforced plastic;
(3) In other moldings, it is also referred to as the central part of the mold or die.