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Silicone Flask Gasket, 2-1/2" dia.
Item Number: 710390
Special white silicone rubber creates the best vacuum seal. Use at flask temperatures below 900°F (482°C). These gaskets can be used in combination with graphite or woven gaskets for casting at higher flask temperatures.
Country of origin:
2008 Tools and Equipment Catalog p.536
please note: Silicone color may vary from that shown.