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Rubber Sprue base for use in lost wax casting process, bases can be used with solid flask as well as perforated flasks.
These rubber sprue bases are the C-Type cone center designed for tree spruing,
The center hole of the round button holds a 5/16" sprue wax.
The sprue base is made of natural rubber side walls are flexible for easy fit to the flask and assure a leak proof seal when investing for casting process.
SPECIFICATIONS: JETS Product # 0307-035
- Material: Natural Rubber
- Flask Diameter: 3-1/2" - 88.9mm
- Center Hole Diameter: 5/16" - 8mm
- Center Round Button Diameter: 1-3/16" - 30mm
- Weight of Sprue Base: 3.5oz - 99gr
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Country of Origin India
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