Sprue Burning Mandrel for Rubber Molds

The Grobet Sprue Burning Mandrel is a specialized jewelry casting tool designed for creating sprue channels in rubber molds.

The tool features a conical metal tip, a long metal shaft, and a wooden handle.

Intended Use

In jewelry casting, a sprue channel is needed in the rubber mold to allow molten wax to be injected into the mold to create a wax pattern.

The metal tip of the mandrel is heated and carefully pressed into the rubber mold, allowing the heat to form a sprue channel.

Features

• Conical metal tip
• Long metal shaft
• Wooden handle
• Designed for creating sprue channels in rubber molds
• Suitable for jewelry lost-wax casting processes

Product Information

• Manufacturer: Grobet USA
• Product name: Sprue Burning Mandrel
• Item number: 21.0836

Safety Information

Caution: The metal tip becomes extremely hot during use.

Always use appropriate protective equipment and ensure adequate ventilation.

Make sure the rubber mold material is suitable for this heat-based process.