Sprue Bushings and Intermediate Tubes

Overview
Sprue bushings and intermediate tubes insulate the stalk tube both thermally and mechanically during low-pressure casting to ensure that the metal stays liquid. This eliminates the need for additional heating.
Pyrotek Offerings
Pyrotek offers sprue bushings and intermediate tube assemblies in a variety of materials.
- Low thermal conductivity
- Nonwetting
- Resistant to thermal shock
- Good insulating properties
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